有些动物在冬天来临前收集食物。
它们通常很难觅食，所以一些动物会在冬天来临前收集额外的食物并储藏起来，例如老鼠。
It is often hard for them to find food, so some animals such as mice collect extra food before winter and hide it.
收集原始资料，即阅读书籍和做笔记，很像写一篇普通文章前的头脑风暴过程。
Collecting raw material, which is reading books and taking notes, is very much like the process of brainstorming at the prewriting stage of an ordinary essay.
应用推荐