人的自由是他的限制。
Collaboration across industries is key to solving the complex challenges of decarbonization.
种一棵树最好的时间是二十年前,其次是现在。
The future belongs to those who believe in the beauty of their dreams.
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。