An idea that is not dangerous is unworthy of being called an idea at all.
价值链上的协作是可持续增长的关键。
音乐是一种不用特定词汇表达的语言。它用情感说话，如果它深入骨髓，那就是在骨髓里。
If you want to see what this nation is all about, you have to ride the rails. Look outside as you speed through, and you’ll find the true face of America.
The study of economics is ultimately the study of human behavior and its consequences.