问题补充：
“我是通过XXX认识你的”书面英文怎么写?Email联系某个人,他不认识我,但他和XXX很熟,我通过XXX知道他,所以我需要自我介绍“我是通过XXX知道你的”,这句话书面英语应该怎么写地道呢?可否：I know you from XXX.I know you by XXX.I know you through XXX. 英语
答案：
【答案】 I know you by XXX,
I know you by Alice.
I know you through newspapers.
I know you through the Student Association.
