有时候可以根据上下文推断出含义，有时候不可以。

It is sometimes possible to infer the meaning from the context, but not always.

youdao

But after that it'll be writing about whatever you want and sometimes people feel a little out to sea not knowing exactly what we're expecting, so those instructions that we send out will be helpful.

之后就不用了,只需要写想法就可以,有时候人们会有点不知所措,不清楚我们要的是什么,所以我们给出的说明是有帮助的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选