The social brain hypothesis suggests that our intelligence evolved to manage our complex social lives.
The mining industry has the power to transform communities, but only if we do it responsibly.
创新不仅仅是技术的问题；它是关于改变思维方式和拥抱新的思考方法。
词这种文体，应当写得精微美妙，修饰得当。
The novel is the highest example of subtle inter-relatedness that man has discovered. It is the book of life. In this sense, the Bible is a great confused novel. You may say, it is about God. But it is really about man alive.
Coal miners are the unsung heroes of America's industrial strength.