As the saying goes, you don't know what happiness is until you lose it 'you don' t know what health is until you are ill.

俗话说，你不知道什么是幸福，直到你失去它“你们不知道什么是健康，直到你生病了。”

youdao

I don 't want another dog. It feels so bad to lose them.

我再也不要狗了，失去它们时太痛苦了。

youdao

Mom, where's your cell? Okay, don't laugh. I didn't lose my power cord. It ran away.

VOA: standard.other

Okay. I'm going to start even though it's still in flux here 'cause I don't want to lose my time.

好的，我又要开始讲了,尽管大家还没坐定,但是我不想浪费时间。

耶鲁公开课 - 1945年后的美国小说课程节选

When you're working on a file, it's saving constantly to RAM but also hopefully to disc, the hard disk so you don't actually lose it if the power goes off.

当你打开一个文件，它不断地保存在内存中,但对于光盘，硬盘,当你断开电源的时候，数据不会丢失。

哈佛公开课 - 计算机科学课程节选

If this small sum of money is unimportant (no money is really 'unimportant' these days but I mean that you reckon you could afford to lose it without compromising your standard of living) to you and you don't mind if you lose it or not then the Stock Market might be the place for you.

BBC: Fergus Muirhead answers your consumer questions

But supporters need a club and they don't want to lose it.

BBC: Survival is unlikely - Finnigan

You don't lose the essence, it flows, and nobody sees that the scenes are cut, but it will weigh differently.

CNN: Interview with Ang Lee