v．ing和不定式作宾语
[观察例句]
1．You may have spent years giving up your weekends and free time to write your life's work...
2．Rowling had spent years surviving on little money，spending all her time writing.
3．J.D.Salinger started writing short stories in high school，but later struggled to get his works published.
4．J.D.Salinger refused to give up.
