I think this is what the Treasury Department says, that they are kinda busy with other things until then.

想必财政部会托词说，他们到那时才有时间。

斯坦福公开课 - 经济学课程节选

Is he busy? Let's hang out with him too.

他忙吗？我们叫上他一起好啦！

When 实战 - SpeakingMax英语口语达人