训练者必须利用这个经历性记忆从错误中吸取经验，或者记住关键的步骤防止困难的情况下增加不必要的复杂性。 Trainees must utilize this “episodic” memory to either learn from mistakes or to remember key moves that prevented troublesome situations that unnecessarily increase complexity.
既然必须和新的群众的时代相结合，就必须彻底解决个人和群众的关系问题。 Since integration into the new epoch of the masses is essential, it is necessary thoroughly to solve the problem of the relationship between the individual and the masses.
警车、消防车、工程抢险车、救护车等机动车辆安装、使用警报器，必须符合国务院公安部门的规定； Alarming sirens must be installed on such motor vehicles as police cars, fire engines, engineering rescue vehicles and ambulances and used in compliance with the regulations of the public security department under the State Council.
但是必须反对不问一切理由的绝对平均主义，因为这不是斗争的需要，适得其反，是于斗争有妨碍的。 But absolute equalitarianism beyond reason must be opposed because it is not required by the struggle; on the contrary, it hinders the struggle.
我们必须努力保持供求均衡。 We must try to maintain the equilibrium of supply and demand.
我们必须准备在精神上和身体上使这些孩子们有条件迎接他们将面临的各种考验。 We must equip the children mentally and physically to meet the trial they will face.
阿兰突然意识到他必须得做些什么了。 Alan suddenly realized what he had to do.
装备须按照规则第四章。 Equipment must conform with law 4.
合理负担即实行“有钱者出钱”，但农民亦须供给一定限度的粮食与游击队。 The equitable distribution of the financial burden means that "those with money should contribute money", while the peasants should supply the guerrilla units with grain within certain limits.
因此，进口产品的价格必须与我们承受能力相符。 So, what we have to do now is importing the goods at prices as equitably as we can.
游击战争根据地的经济政策，必须执行抗日民族统一战线的原则，即合理负担和保护商业，当地政权和游击队决不能破坏这种原则，否则将影响于根据地的建立和游击战争的支持。 The economic policy of the guerrilla base areas must follow the principles of the Anti-Japanese National United Front by equitably distributing the financial burden and protecting commerce. Neither the local organs of political power nor the guerrilla units must violate these principles, or otherwise the establishment of base areas and the maintenance of guerrilla warfare would be adversely affected.
不过，由于许多美国和欧洲股票基金经理早前过度减持亚洲股票，故须进行补仓，引发资金再度流入港元。 The flow of funds quickly reversed as many US and European equity fund managers began to replenish their heavily under-weighted Asian equity portfolios.
必须根据公平和社会正义的基本原则，以公平承担有关代价和负担的方式处理各种全球挑战。 Global challenges must be managed in a way that distributes the costs and burdens fairly in accordance with basic principles of equity and social justice.
操作入口站点无需理解兼容字符的相关替换或等价关系，但必须原封不动地保存发布者发送来的数据。 Operator Sites are not required to understand the nature of compatibility characters for substitutability or equivalence purposes, but must preserve the data as sent by a publisher.
举凡有意在这世上谋求生存者，必须具备三种难得的天资：掩饰感情、含糊其词、保留己见。 He that will live in this world must be endowed with the three rare qualities of dissimulation, equivocation, and mental reservation.
因此，必须坚决肃清由“四人帮”带到党内来的无政府主义思潮以及在党内新出现的形形色色的资产阶级自由主义思潮。 Therefore, we must resolutely eradicate the trend towards anarchism that was introduced into the Party by the Gang of Four as well as the trend towards various kinds of bourgeois liberalism that is emerging within the Party.
必须抹去他头脑中所有有关失败的记忆 Had to erase all thoughts of failure from his mind.
（猎鸟，猎禽）鹌鹑的肉；如果是幼鸟，适合于烘烤或烧烤；否则必须炖。 (game bird) flesh of quail; suitable for roasting or broiling if young; otherwise must be braised.
但如果要实现五角大楼所希望的覆盖全球的昼夜雷达监测，则需要在低地球轨道设置至少２０多颗高性能卫星群。这种全球性的昼夜雷达监测，将使飞行员无须冒生命危险，也不会侵犯别国领空。 But for the global, around－the－clock radar coverage that the Pentagon wants－－a system that would not risk pilots’lives or intrude in foreign airspace－－a constellation of two dozen or more high－powered satellites in low Earth orbit would be needed.
我们支持这项计划，但有个条件，那就是它必须以更低廉的费用完成。 We support the plan, but with the qualification that it should be done more cheaply.
由二零零三至零四学年开始，所有新入职幼稚园教师必须在入职前具备合格幼稚园教师的资格。 Moreover, from the 2003-04 school year, all new kindergarten teachers must possess a pre-service QKT qualification.
操作入口站点(operatorsite)可以定义更多的搜索修饰符，但同时所有的操作入口站点和兼容的实现必须完整支持在前面定义的这些修饰符及其行为。 Operator Sites may define more search qualifier values than these – but all Operator Sites and fully compatible software must support these qualifiers and behaviors.
所有后继的这样的元素必须包含xml:lang修饰符，同时这个修饰符在相关的元素中应当是唯一的并且是遵循xml标准的。 All subsequent such elements must contain an xml:lang qualifier, and this qualifier must be unique across the related elements and valid according to the XML standard.
这些值必须是下列修饰符之一: These values must come from the following list of qualifiers:
他必须使自己有充任这职位的资格。 You must qualify yourself for the post.
他知道他必须使自己够条件担任这个职务。 He knew he had to qualify himself for the post.
法律援助申请人必须通过经济和案情审查，才有资格获得法律援助。 Applicants must pass means and merits tests to qualify for legal aid.
为取得博士的资格，你必须长期学习并通过考试才行。 To qualify as a doctor you have to study a long time and pass exams.
此外，我还看到，由於国家未来的经济发展，将会要求经济增长的方式要从数量转为质量，先进的管理和彻底的市场研究和高科技的发展都是必须努力做到的事情。 In addition, we have to note that the future economic development of our country demands a shift from the quantitative approach to a qualitative one. Efforts should be made to employ advanced management skills, conduct thorough market research and develop high technology.
在这里，逻辑发生问题了，因为“魔鬼”的来源须得解释一下，而当中世纪的神学家继续用他们平常的学者的逻辑去研究这个问题时，他们陷入了进退两难的境地了。 Here the logic halts, for the origin of the Devil had to be explained, and when the medieval theologians proceeded with their usual scholastic logic to deal with the problem, they got into a quandary.
你必须提前两小时到达机场。 You must arrive at the airport two hours early.
商科专业大学毕业生也必须具备良好的数学能力，因为大部分学位涉及定量研究法和统计学领域课程。 Business graduates must also be numerate，because most degrees will have courses in quantitative methods and statistics．