refrain speculation

• 抑制投机

refrain speculation的用法和样例：

例句

1. Economists and energy industry executives disagree about the extent to which measures such as a windfall-profits tax or moves to curb speculation will rein in rising oil prices.
   对于暴利税或抑制投机的举措能在多大程度上控制高涨的油价，经济学家和能源行业人士意见不一。