供需

gōng xū supply and demand

曲线

qū xiàn curve; curved line; indirect; in a roundabout way

变化

biàn huà change; variation; to change; to vary; CL:個|个[ge4]

图

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

fanpianzicomOFvYaspx