供需

gōng xū supply and demand

政策

zhèng cè policy; CL:個|个[ge4]

pe 与

yǔ and; to give; together with

yú variant of 歟|欤[yu2]

yù to take part in

lp 的

de of; ~'s (possessive particle); (used after an attribute); (used to form a nominal expression); (used at the end of a declarative sentence for emphasis)

dí really and truly

dì aim; clear

dī see 的士[di1 shi4]

区别

qū bié difference; to distinguish; to discriminate; to make a distinction; CL:個|个[ge4]

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