The best time to plant a tree was 25 years ago. The second best time is today.
种树的最佳时间是25年前,第二好的时间是今天。
当你来自一个饱受战争摧残的国家时,你对生活会有不同的看法。
"The beauty of computational complexity lies in its ability to reveal the inherent difficulty of problems, regardless of the specific algorithms used to solve them."
语言是我们真正拥有的唯一家园。