what do you mean by doing sth?
what do you mean by doing sth?
what do you mean by sth.
What do you mean by doing so?
do you understand what l mean by doing this
what's the meaning of sth./what do you mean by sth./what dos
mean to do sth/ mean doing sth
翻译 What do you mean by "WTO"
what do you mean by 翻译
What do you mean by saying so?
What do you mean by that?
what do you mean by success?
what do you mean by love