The tragedy of great power politics is that even well-intentioned states are forced to act in ways that can lead to conflict and war.
The division of labor is limited by the extent of the market.
跨国合作对于解决水产养殖的全球性挑战至关重要。
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。