To write is to explore the boundaries of the self.
可持续能源解决方案将定义21世纪。
Tell me, my daughters,Which of you shall we say doth love us most?
Human activities have become a significant force shaping Earth's climate.
衡量一个人得看他拥有力量时的所做所为/衡量一个人得看他用自己的力量做了什么。