供需

gōng xū supply and demand

信息

xìn xī information; news; message

图

tú diagram; picture; drawing; chart; map; CL:張|张[zhang1]; to plan; to scheme; to attempt; to pursue; to seek

文

wén language; culture; writing; formal; literary; gentle; (old) classifier for coins; Kangxi radical 67

Wén surname Wen

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