In business, if you're not moving forward, you're falling behind—complacency is the enemy of growth.
The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.
相对论不仅仅是一个科学理论,而且是一个哲学理论。
The protection of fishery resources is not a multiple-choice question, but a required question.
亲属关系的研究,即我们所谓的人类社会的社会解剖学的研究。
The spirit of petroleum is our precious wealth, which should be passed down from generation to generation and carried forward.