Data structures are the backbone of efficient algorithms.
爱音乐的人,心里永远年轻。
To love is to suffer, but to suffer is also to love.
生活本身就是一种冒险,充满了未知和挑战。
The law isn't justice. It's a very imperfect mechanism. If you press exactly the right buttons and are also lucky, justice may show up in the answer.