I have been a selfish being all my life, in practice, though not in principle.
我一生都是一个自私的人，虽然原则上并非如此，但行动上却是。
创新不仅仅是技术问题，更是思维方式的转变。
The study of automorphic representations is a key to understanding the Langlands conjectures.
水产养殖的每一次突破都始于对自然的深切尊重。