学习数学的唯一方法就是做数学。
The best way to predict the future is to create it.
Change your life today. Don't gamble on the future, act now, without delay.
Coal isn't just a commodity; it's the foundation upon which modern civilization was built.
高分子化学的未来在于合成具有特定应用定制性能的新材料。
我不让恐惧控制我,我让它挑战我。