speculation是什么意思

speculation

[英][?spekju?len][美][?sp?kjlen]

n.投机买卖; 思考; 投机活动; 推断;

复数：speculations

以上结果来自金山词霸

例句:

1.

New approaches to oil market speculation are also needed.

还有必要对石油市场的投机活动采取新手段