事实是，我不是一个很好的人。但我正在努力变得更好。

"The world is full of magic things, patiently waiting for our senses to grow sharper."

效率是把事情做对，而效能是做对的事情。

我们开采的每一吨煤炭都承载着对工人、社区和地球的责任。

The security dilemma is a fundamental feature of international politics, as states' efforts to increase their own security often decrease the security of others.

你给予的越多，得到的就越多。

一个行为的后果会影响它再次发生的概率。