供需

gōng xū supply and demand

见面

jiàn miàn to meet; to see each other; CL:次[ci4]

会心

huì xīn knowing (of a smile, look etc)

得

de structural particle: used after a verb (or adjective as main verb), linking it to following phrase indicating effect, degree, possibility etc

dé to obtain; to get; to gain; to catch (a disease); proper; suitable; proud; contented; to allow; to permit; ready; finished

děi to have to; must; ought to; to need to

体会

tǐ huì to know from experience; to learn through experience; to realize; understanding; experience

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