be busy doing sth和be busy with sth这两个句式的意思和用法,

be busy doing sth和be busy with sth
这两个句式的意思和用法,

都是忙于做某些事情
be busy 后面用动词还是名词的区别、

be busy doing sth表示忙的动作
be busy with sth表示忙的状态、对象

前者：忙着做某事
后者：因为某事而忙
一般来说差不多就是这样

very good,wonderful

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