供需

gōng xū supply and demand

比

bǐ (particle used for comparison and "-er than"); to compare; to contrast; to gesture (with hands); ratio

Bǐ Belgium; Belgian; abbr. for 比利時|比利时[Bi3 li4 shi2]

bì to associate with; to be near

怎么

zěn me how?; what?; why?

zěn me variant of 怎麼|怎么[zen3 me5]

算

suàn to regard as; to figure; to calculate; to compute

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