结构推理 When we were first married, I knew you would have to spend quite a lot of time on your own, when I could not spare myself from business affairs.
【正确答案】was tied up with
【答案解析】[译文] 我们刚结婚时，我知道你不得不花很多时间在你的生意上，而我也忙于自己的生意。