He's probably at lunch or in a meeting. 他很可能在吃午饭或在开会。

‘When will you get the results?' ‘Either tomorrow or the day after.' “你什么时候能知道结果？”“不是明天就是后天。”

You don't care whether he lives or dies, do you? 你不在乎他是死是活，是吗？

The jury must decide whether the prisoner is guilty or not. 陪审团必须对囚犯是否有罪作出判决。

I never had any help or advice from my parents. 我从来没有得到过父母的任何帮助或建议。

The car has to be serviced every five or six thousand miles. 汽车每行驶五六千英里就得检修一次。

We must deal with the problem now, or else it will be too late. 我们必须现在就处理此事，不然就太迟了。

You'd better do what I say, or else (=I will do something bad to you). 你最好按照我说的去做，要不有你好瞧的。

This is a problem for the government, or rather for the Prime Minister, to deal with. 这是个需要政府，说得确切些，需要首相处理的问题。

It must be something serious, or else they wouldn't have radioed for help. 一定是很严重的事情，否则他们就不会用无线电求助了。