投机买卖

buying and selling on speculation

to cast / to send / to throw oneself (into the river etc) / to seek refuge / to place oneself into the hands of

to speculate (on financial markets) / opportunistic / congenial / agreeable

(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic

to buy / to purchase

buying and selling / business / business transactions / CL:樁|桩[zhuang1],次[ci4]

to sell / to betray / to spare no effort / to show off or flaunt