仅有的幸福2017-05-15 17:08:30
By the way, do you really not read the questions asked by other students in the community? /q/10...
In addition, I think asking questions is a very good habit, but please make sure you think about it and work hard to find the answer before asking questions. For example, I once answered a question of yours, your question /q/10... , and your attitude in replying to me was 
I just laughed (honey smile)