多带几件衣服，以备身上弄湿了好穿。

Take some spare clothes in case you get wet.

《牛津词典》

我总是随身多带点现金以备急需。

I always have some extra cash with me for emergencies.

《牛津词典》

他们把钱存着以备退休后使用。

The money was being kept in reserve for their retirement.

《牛津词典》

Man, them white folks oughta catch you and send you to a zoo and keep you for the next war!"

“嗨，白人会把你像动物一样抓走,以备下一次作战之用，！“

耶鲁公开课 - 1945年后的美国小说课程节选

All right. I brought some along just in case you raised it.

好吧，我准备了些材料以备你们提到这点。

耶鲁公开课 - 公正课程节选