表示论提供了表达许多数论现象的语言。
如今网络上到处都是免费的教育资源,真正稀缺的是对学习的渴望。
Safety isn't just a policy, it's a culture that starts at the top.
写吧,否则就会死去。
The future belongs to those who can balance tradition with transformation.
Don't cry, I'm sorry, you must understand, I am sorry to deceive you so much, but this is life.
Every time you lose, it hurts. But you have to get back up and keep going.