供需

gōng xū supply and demand

关系

guān xì variant of 關係|关系[guān xì]

guān xi relation; relationship; to concern; to affect; to have to do with; guanxi; CL:個|个[ge4]

guān xi variant of 關係|关系[guan1 xi5]

guān xì relation; relationship; to concern; to affect; to have to do with; guanxi; CL:個|个[gè]

原理

yuán lǐ principle; theory

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