我们永远不必为自己的眼泪感到羞耻。
The selfish gene theory is not a theory about selfishness in the everyday sense. It is a theory about the evolution of behavior.
Certification standards are meaningless without rigorous enforcement.
现代物理学的挑战不仅在于理解宇宙,还在于理解我们在其中的位置。
Collaboration across industries is the key to solving the world's forestry challenges.
任何公司最有价值的资产不是机器,而是操作机器的人。