4. "But we're going to have questions like that where we have things we're doing that don't make sense when the market changes and the world changes.

断句："But we're going to have questions like that //where we have things we're doing// that don't make sense // when the market changes and the world changes.

顺译：但是我们将会遇到问题 像那样。 我们正在做的事情 没有意义。 当市场和世界变化时。

解析：when引导的时间状语从句，就近修饰前面的that don't make sense，所以需要将时间状语调到它的前面进行翻译。

调整：但当市场和世界形势发生变化时，我们正在做的事情就会变得没有意义，这时候我们也会面临类似的难题。