The best way to learn mathematics is to do mathematics.
学习数学的最好方法就是去做数学。
Le rire est le soleil qui chasse l'hiver du visage humain.
未来商业不在于线上或线下,而在于两者的融合。
词语之间的沉默有时比词语本身更能说明问题。
The complexity of viruses reminds us how much we still have to learn about biology.