speculation 是什么意思

speculation[英][?spekju?le?n][美][?sp?kj?le?n]

n.投机活动; 投机买卖; 思考; 推断;

复数：speculations

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。

2.

Relationships between markets also imply unhealthy levels of speculation.

各类市场之间的关系也暗示了不健康的投机水平。