i m conused about what he wants to prove: looks like he is saying Sun is innocent, some unknown PKU guy is the true murderer of both Zhu and her sister.
【在 k**********4 的大作中提到】 : i m conused about what he wants to prove: : looks like he is saying Sun is innocent, : some unknown PKU guy is the true murderer : of both Zhu and her sister.