What do you mean by saying so?What do you mean by/of saying so?应该_英语解答

What do you mean by saying so?
What do you mean by/of saying so?应该用哪个介词,为什么?

人气：309 ℃　时间：2020-01-20 11:11:56

解答

by
比如：
What do you mean by "Black Death"?
你说的“黑死病”是什么意思?
What do you mean by quantity discount?
您所说的数量折扣指的是什么?