Their own business
事情───thing;他们───they
Whoever heard of such a thing!───究竟有谁听说过这种事！
The damned thing won't start!───这该死的东西就是发动不起来！
That's the very thing I need.───那正是我需要的东西。
The important thing is to identify how you have continued to use your business skills in the time you have been out of the workforce.───最重要的是你需要指出在你没有工作的那段时间，你是如何继续运用你的工作技能的。
The odd thing was that the four of us were still friends, even though Greg and I had this secret.───奇怪的是，尽管格里格和我有了这个小秘密，我们四个人照旧还是朋友。
Censorship usually is considered a negative thing, at least in American society, but of course, it all depends on who you talk to.───审查通常被看作是具有否定意义的事，至少在美国社会是这样。但是毫无疑问，也要看你跟谁在说话。
The shortest answer is doing the thing.
A bad thing never dies.
A little knowledge is a dangerous thing.
A strange thing happened this morning.
That's a fine thing to say!