Asking for help with a meeting
A: Ruth? I have a big favor to ask you.
B: How big, Catherine?
A: Well, I was hoping you would cover for me at the strategy meeting this afternoon.
B: But, I can’t, Catherine. I’ve got two committee meetings back to back this afternoon.

代替出席会议
A：露丝？请你帮我个大忙。
B：多大的忙，凯瑟琳？
A：是这样，我希望你能替我出席一下今天下午的战略会议。
B：可我不行，凯瑟琳。今天下午我得连续开两个委员会会议。