You should try to have a good relationship with your neighbors, because you never know when you may need their help.

你应该努力与你的邻居保持良好的关系，因为你永远不知道什么时候会需要他们的帮助。

youdao

Your rights matter because you never know when you're going to need them.

你的权利至关重要，因为你不会知道你什么时候会需要用到它。

youdao

Your rights matter, because you never know when you're going to need them.

你的权利很重要，因为你根本不知道什么时候就会需要到它。

youdao

Life becomes a waiting room: hushed but unpeaceful, because you never know when you will be called.

NEWYORKER: Bringing Up Babies

You study hard to compete with classmates, but you also stay fluent in your own culture, because you never know when you might need it.

CNN: Commentary: Latino in the Ivy League

At the end of the day when a Premier League club comes calling for you, you have got to chance your arm, because you never know when you might get that chance.

BBC: No regrets for returning Ince