过度捕捞的真正代价是用空网和破碎的生态系统来衡量的。

The art of reading is in great part that of acquiring a better understanding of life from one's encounter with it in a book.

This is the map that shows us where we're going. And this is the map that shows us where we've been. And it's never ever ugly.

The times they are a-changin'.

The historian is a prophet in reverse.

科学不仅是理性的学科，也是浪漫和激情的学科。