许多年轻女士选择节食。但事实上，他们没有必要担心自己的体重。

Many young ladies choose go on a diet, but in fact, they have no need to worry about their weight.

youdao

没有必要担心食物和饮料，因为我们将提供三明治和咖啡，可能还有饼干。

There's no need to worry about food and drink as we'll be supplying sandwiches and coffee, possibly some biscuits.

youdao

你没有必要担心，因为我们生活在网络时代。

There is no need for you to worry about it, as we are living in the Internet era (网络时代).

youdao

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