what do you mean by say that 的by say that是什么成分

what do you mean by say that 的by say that是什么成分 what do you mean that a by say b through say c by saying d t What do you mean by that? what do you mean by that中的by是什么词性,什么意思? what do you mean by saying that shit What do you mean by saying that?翻译为汉语. What do you mean by saying that中为什么要用by来做介词 英语翻译Why do you say that?I mean,what kind of person does it t 一首歌say what you say say that you say Bob,can you tell us what ( )you mean by saying that?应用do 还是d what do you say that in English与How do you say that in Engli What are you say that?