Explanation: Means to prevent the elderly dependent care son, save grain to prepare for famine. Old age with raising children, a rainy day. "
No. 2
With "raising a child for their retirement, a rainy day."
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No. 3
With "raising a child for their retirement, a rainy day." "Happy Song Xiaoguan Jingshitongyan break felt enterprises": "the ancient: 'raising a child to be old, rainy day.' You and I are over Lent, no heirs. Flies like an arrow, blinking white head. Hundred things , relying on what people? "" Ping Yao, "the 16th back:" As the saying goes: 'raising a child to be old, rainy day'. "
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Thesaurus
Raising a child on behalf of the veteran for a rainy day, (of parents) to bring up cihldren for the purpose of being looked after in old age Rainy day, Son Old age for a rainy day