至今一切社会的历史都是阶级斗争的历史。
假如我能遇见你,经年之后,我将如何与你招呼,以眼泪,以沉默。
I know I'm not an ordinary year-old. I've had surgeries so that I can breathe, see, and hear without hearing aids, but it all makes me look unusual.
Science is a journey, and every step matters.
追求数学知识是一场永无止境的冒险。
Life is compared to a voyage.