我懂得了如果一个人想成为一个伟大的人，他必须努力工作！

I have learnt that if someone wants to be a great person, he must work hard!

youdao

我懂得了如果一个人想成为一个伟大的人，他必须努力工作！

I have learnt that if someone wants to be a great person, he must work hard!

youdao