Persistence is key in mathematical research; many great results come from looking at the same problem from different angles over and over again.
The only thing that can make you a star is your uniqueness.
The best way to predict the future is to design it.
皮革行业必须发展,以满足环境标准和消费者期望,同时不牺牲质量。
最危险的谎言是我们对自己相信的那些。