她说她只是在屋里做些杂七杂八的事情。

She said she was just doing ___this ___and ___that around the house.

我们整个下午都在闲聊各种琐事。

We spent the afternoon chatting about ___this ___and ___that.

他的演讲东拉西扯，讲些无关紧要的东西，从未切入正题。

His presentation rambled on about ___this ___and ___that, never getting to the main point.