The future of coal lies not in its quantity but in how cleanly and efficiently we can use it.

预测蓬勃发展的积极情绪与消极情绪的比例约为3比1。高于这个比例，人们往往会蓬勃发展；低于这个比例，人们往往会萎靡不振。

假装对你好，其实很容易。

The most sustainable leather is the one that lasts the longest, reducing the need for frequent replacements.