记者们拒绝推测选举结果。

The journalists refused to ___speculate about the election results.

分析师们推测公司即将发布新产品。

Analysts ___speculate that the company will launch a new product soon.

在获得更多数据之前，我们只能推测其原因。

We can only ___speculate about the cause until we have more data.