certainty 怎么用

前面加介词with

例句如下：Politicians, and the voters who elect them, are more comfortable with certainty.

政客和选举这些人的选民喜欢确定性。

Even today, no one knows with certainty how ancient Egyptians built the pyramids.

甚至在今天，也没有人能够明确知道古代埃及人是怎样建成金字塔的。