féi zhàn : piào : yán 'ān yòng > zhōng 
mùlù
yóu zhōng pǐnzhōng děng Commodities still the middle
  yóu zhōng pǐnzhōng děng。《 zhōu shū · chuò chuán》: jīn zhī zǎi shǒudāng qín zhōng ér shàng shàn zài xià tiáo xíng suǒ shè
No. 2
   。《 jìn shū · kǒng tǎn chuán》:“ zhì shì shēn míng jiù zhìjiē lìng shì jīngyòu zhōng shǐtài shǒu miǎn guān。”
No. 3
   kǎo shì zhòngxuǎntáng hán zèng zhāng tóng 》:“ shǐ xiàn kǎo shìdìng zhěrán hòu shēng zhōu ruò néng zhōng zhě shì shù yān。” sòng wáng tǎngtáng lín · wén xué》:“ zhāng wéihuáng chuānguō xúnliú tíng huī fēng zhùsuī ránjiē zhōng 。”
xiàngguāncí
umpc hóng INTEL chéng xìn chóng cǎo nán jīng zhōng tuán zhōng líng zhī bāo yóu
shēng yào zhāo shāng zhōng líng zhī bāo yóu nán jīng zhōng tiān bǎo jiàn pǐn
zhōng pái nán jīng zhōng tuán zhè jiāng gōng gèng duō jiēguǒ ...