"Back in business"在英语中什么意思？是idiom么？and its origin？？

"Back in business"在英语中什么意思？是idiom么~

亲，这是idiom。
意思是，事物由于某种原因，停止运行后，又重新恢复正常状态。
不一定非常确切，仅供参考！

意思是：重新开始正事，恢复正常。
可以表示的范围很广，比如：继续开工，重新开业，继续赶路，继续上班，重出江湖等等。

这只是一个短语，并不是idoim。固定搭配基本上为：be back in business。所以也没有origin, 要说具体的origin就是把 back, in, business三个单词搭配在一起形成一个固定搭配。

There are 2 different versions about it. One version says it is related to the Great Depression in American during which time people lost their jobs, and many of the companies in U.S.A was bankrupt. And this phrase was derived from the Great Depression when the stock started to climb and America came of it, because people can be back into what they were doing and the companies was back in business. And the other version can date back to 1880s when the Mighty Union Pacific Railraod Company went bust. But to everyone's surprise within less than a decade the company was reborn, with it's old name and racing along the tracks towards the future. So the Union Pacific Railraod was back in business.
So, it can be used to mean a business that was going down is now back up.that's the original meaning of it. And with time went by, people started to use it in every aspects of life so "back in business " has become a figurative expressions with fixed meanings.
This phrase can be used to mean that something is operating normally after having some difficulties.That means everything is good again/ back in order just like on my feet again.... everything is up and running. Examples:
You were sick last week, but now you are well (back in business).Your inventory was stolen but you have re-stocked and you open again (back in business)You split up with your girlfriend and are dating again (back in business).

By the way, it is not an idiom, it is a slang but we also use it in formal situations.

Back in business 这是一个专辑的名字，翻译为《重回本行》。

In nineteen ninety-four, Eartha Kitt released the album "Back In Business".
VOA: special.2009.06.07
祝你开心如意！O(∩_∩)O~~

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