供需

gōng xū supply and demand

平衡

píng héng balance; equilibrium

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]

表现

biǎo xiàn to show; to show off; to display; to manifest; expression; manifestation; show; display; performance (at work etc); behavior

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