I wonder if anyone showed up at Mary's party last night.
我在想昨天晚上有没有人参加玛丽的宴会。
I am sure the accounting group did.
我确定会计组的人都去了。
Do you really think so? I thought Mary was in Engineering.
真的吗?我还以为玛丽是工程组的。
She is, but she works with the cost analysis group daily.
她是在工程组，但是她每天都跟成本分析组的在一起工作。
account n.记述:帐(户);解释 vi.(for)说明;占
engineering n.工程(学)，工程师行业