菡菡~looking forward to。。。和I look forward to都有，但是两者有区别两者其实区别不大，勉强可以这样的解释：1、从语气上来说，-ing 形式比较personal 和friendly，和 look forward to...相比较少为正式，如果你要表示礼貌而有亲和力则用looking forward to...，look forward to在非常正式严谨的business场合比较适用。2、国外英语论坛上native speaker给的解释二：“The difference is how the speaker perceives their own words:an action seen ...
