The hotel has been in business for over 150 years.这家旅店已经经营150多年了。

Customer satisfaction is important if you want to stay in business.如果你想在生意场上生存下去，顾客的满意非常重要。

Just plug in the computer and you're in business! [=you will be able to use the computer]电脑插上电源你就可以用了。

All the musicians have finally arrived, so we're in business!所有乐师终于都到齐了，我们可以开始了！

He quickly changed the tire, and was back in business [=ready to drive again] in 10 minutes.他迅速换了轮胎，10分钟之后又可以开车了。