Why thirty is not new twenty?For this problem,different people have different opinion.
From this short film,the professer talked about various social phenomenon and her opinion.It strucked a chord with the audience.And we can do better to see for our themselves.
For me,I'm not old enough to talk about this question.But I learned a lot.No matter you are twenty or thirty,the most important thing is diligance.Do things well can make you close to the success.Lost time is never found again.