The circular economy is not just an ideal; it's a necessity for our industry.
Mathematics is the language of the universe, and through it, we can unlock the secrets of existence.
数学是宇宙的语言，通过它，我们可以解开存在的秘密。
做学问的人应当以确立诚信为根本，修饰言辞为次要。
好的政策需要健全的理论和实证验证。