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.

Natural gas will play a critical role in the transition to a lower-carbon future.

理解RNA干扰的机制是一段由好奇心驱动的研究之旅，它以其复杂性和优雅性继续让我们感到惊讶。

Success is no accident. It is hard work, perseverance, learning, studying, sacrifice and most of all, love of what you are doing.