如果人们不相信数学是简单的，那只是因为他们没有意识到生活有多么复杂。
"I don’t want to be remembered just for my forehand or my backhand. I want to be remembered for my sportsmanship."
The most sustainable building is the one that is already built.
我们相信可持续发展是更美好未来的关键。