人们不应该研究半导体,那是个肮脏的烂摊子;谁知道半导体是否存在。
The most sustainable quarry is the one that balances production with environmental stewardship.
Every mathematical problem has a solution; it just takes time and effort to find it.
在追求理解的过程中,失败不是成功的对立面;它是通向成功的垫脚石。