do you understand what l mean by doing this
do you understand what l mean by doing this
you (understand) what l (mean) by doing this?空格中填什么词?
What do you mean by doing so?
what do you mean by doing sth?
What do you mean by this signal?
What do you mean by this word?翻译
Do you understand what i mean?
what do you mean?I do not understand it!
sorry ,do not understand what do you mean
翻译 What do you mean by "WTO"
what do you mean by 翻译
what do you mean by sth.