有些书最好的部份仅止于封面与书背。
The only limits you have are the ones you set for yourself.
The Internet is a global resource that should be managed in the public interest.
炼油创新不仅仅是关于效率；它关乎重新构想碳氢化合物在低碳未来中的作用。
赏析：指出知道满足的人不会被利益所累，真正安闲自得的人不会因为失去而恐惧，注重内心修养的人不会因为没有地位而惭愧。
Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers.