— used to say that something is working or continuing in the normal or usual way一切正常；一切照常
Much of the town lost electricity in the storm, but for people with generators it was business as usual.城里大部分地区都因暴风雨停电了，但是对有发电机的人来说一切照常。
As the election nears, both political parties continue to blame each other for all the city's problems. In other words, it's business as usual.随着大选临近，两党继续就这个城市面临的所有问题相互指责。换句话说，一切如往常一样。