The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.
安全困境是国际政治的一个基本特征，因为国家增加自身安全的努力往往会降低其他国家的安全。
The only limits that exist are the ones in your mind.
The future of petrochemical industry lies in sustainable development.
家不是你出生的地方；家是你所有逃离尝试停止的地方。
Innovation is the key to staying ahead in business.
I would rather be right than consistent.