可持续发展不仅是一种趋势,更是一种责任。
The joy of discovery in mathematics is unparalleled.
"The best characters feel real enough to step right off the page."
所以,掌权者的主要任务,就在于聚集天下的贤良之士罢了。 
There is no such thing as innocence, only degrees of guilt.
"The future of AI lies in making machines that can understand and reason about the world."
I’m trying to grow up and be a man and learn from my mistakes.