after graduation和graduating 区别如下
【1】after doing sth 含有动作含义，即在做某事之后
After graduating she opted for a career in music.
毕业后她选择了从事音乐工作。
He became a criminal policeman after graduating from the Police Academy.
警校毕业后他就当了一名刑事警察.
10. After graduating, she will look for a full time job.
她毕业后会找份全职的工作.
【2】after sth 没有动作含义，即在某事之后
They asked what his plans were after graduation.
他们问他毕业之后有何打算。
He decided to specialize in entomology after graduation.
他决定毕业后专攻昆虫学.
He returned to the Northwest after graduation.
他毕业后回到西北部地区.
备注：如果拿掉介词after之后，实际上是动名词和动名词区别。动名词表示动作，名词表示状态。
