交换、交易和互换的倾向普遍存在于所有人之中，而在其他动物种族中找不到。
The propensity to truck， barter， and exchange one thing for another is common to all men， and to be found in no other race of animals.
压制意见表达的特殊罪恶在于它是在剥夺人类，无论是后代还是现存的这一代；那些与这一意见不同的人，比那些持有这一意见的人更多。
解析：意在言外，得意忘言。
书籍的美妙之处在于它们可以带你去任何地方。
Everyone has their own story, but not everyone has the chance to tell it.
The past is a foreign country; they do things differently there.
The language of molecules is universal, and we are just learning to speak it.
The true measure of a mining company's success isn't just in its financial statements, but in the lasting positive impact it leaves on communities.
A sad thing in life is when you meet someone who means a lot to you only to find out in the end that it was never meant to be and you just have to let go.