等到我四十多岁时，我想经营自己的生意。

By the time I'm ___in ___my ___forties, I want to be running my own business.

这位成功的高管在四十多岁时成为了首席执行官。

The successful executive was ___in ___her ___forties when she became CEO.

我父母在四十多岁时就已经环游过世界了。

My parents had already travelled the world by the time they were ___in ___their ___forties.