供需

gōng xū supply and demand

平衡

píng héng balance; equilibrium

点

diǎn point; dot; drop; speck; o'clock; point (in space or time); to draw a dot; to check on a list; to choose; to order (food in a restaurant); to touch briefly; to hint; to light; to ignite; to pour a liquid drop by drop; (old) one fifth of a two-hour watch 更[geng1]; dot stroke in Chinese characters; classifier for items

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