解释：在人活动范围内的水就污浊，在野外无人地方的水就清洁。同为一样的水，都是从天边开源，有的混浊有的清洁，这是它们所处环境使它们这样的。
When we protect forests, we're not just saving trees - we're safeguarding humanity's future.
The cost of trying is the lowest.
我会用city而永不用Metropolis来表达城市，用cop而永不用policeman来表达警察，既然三丶四个字母可以赚七个美分，为什么要用长而赘的字呢？
I cannot believe in a God who wants to be praised all the time.
"The best love is the kind that awakens the soul and makes us reach for more, that plants a fire in our hearts and brings peace to our minds."
