It's not something I can give you rules for; you'll have to use your judgement.

不是我把规则给你就行了，你得运用自己的判断力。

《牛津词典》

They use the camels for carrying water, food, tents and something else.

他们用骆驼运水、食物、帐篷和其他东西。

youdao

Most teenagers earn money for everyday use, or because they are saving up for something.

大多数青少年挣钱是为了日常开销，或者是因为他们在存钱买东西。

youdao

He said,"What is the use of being elected or re-elected, if you don't stand for something."

VOA: special.2010.05.20

And of course, there is the picture, but I use my passport for something else.

当然，还有照片，我的护照用在别处了。

麻省理工公开课 - 媒体、教育、市场课程节选

Remember that you can use it to express a need for you to do or have something,

记住，你可以用它来表达你做某事或得到某些东西的需求，

I need 课堂 - SpeakingMax英语口语达人

The Zedillo government is also starting up projects to help small farmers change their traditional crops for more profitable ones or use their land for something else.

ECONOMIST: The beginning of the end of the longest-ruling party | The

"In the summer I found an old school chair and thought I'd use it for something, " he said.

BBC: Suffolk weather: Snowfall causes schools to close

"You can't use it for something that's a very hit-driven business, " added Mr. Libin, who is CEO of the Redwood, Calif.

WSJ: When Freemium Fails