The aircraft was subjected to temperatures of minus 65 degrees and plus 120 degrees.

该飞机经受了零下65 度和零上120度的温度。

What's the square root of minus 1?

-1的平方是多少？

I'm giving him a B minus.

我打算给他一个B-。

One minus one is zero.

一减一等于零。

The minuses far outweigh that possible gain.

不利因素远远超过了那可能获得的收益。

The film company collapsed, leaving Chris jobless and minus his life savings.

这家电影公司倒闭了，使克里斯随即失去了工作，乃至他一生的积蓄。