BBL: Be back later 稍后回来 BRB: Be right back 很快回来 CU: See you 再见 CUL: See you later 下次再会 DIIK: Damned if I known 我的确不知 FE: For example 举例 FTF: Face to face 面对面 FYI: For your information 供参 去书内