It's just the matter of the schedule,that is,if it is convenient of you right now.We'll leave some evenings free,that is,if it is all right with you.这两句话中的that is都怎么解释?
问题描述：
It's just the matter of the schedule,that is,if it is convenient of you right now.
We'll leave some evenings free,that is,if it is all right with you.这两句话中的that is都怎么解释?
答