where对应词

where用作从属连词，可引导地点状语从句，相当于in〔at， to〕 the place，其前常有加强语气的词，如just， only， even， right等或否定词not，有时某些成分可以省略。

例句：

It's one of the few countries where people drive on the left.

这是为数不多的`几个靠左行驶的国家之一。

I find it difficult to be objective where he's concerned.

只要涉及他，我就难以做到保持客观。

There comes a point where you give up.

现在你该放弃了。