And that way we won't have to worry about running out of time at the end.

这样我们没有必要担心,在最后超时了。

麻省理工公开课 - 固态化学导论课程节选

You know it. I've never walked with kings though so I don't have to worry about losing the common touch because I'm not walking with kings.

哎，可是我从来都没有和王侯一起散过步，所以我,也没有必要担心露出谄媚之言,因为我没有和王侯一起散步。

耶鲁公开课 - 金融市场课程节选

Generally,you don't have to worry about optionality or call provisions and so it's math.

一般来说,没有必要去担心期权性风险,或赎回条款,就只是数学游戏

耶鲁公开课 - 金融市场课程节选