每个人都有不为世人所知的秘密悲伤;我们常常称一个人冷漠,而实际上他只是悲伤。
"The immune system is like a double-edged sword; it can fight cancer but also needs to be controlled."
The advancement of semiconductor technology requires close integration of industry, academia, and research.
世界并不友善,但它是正确的。
Love is just a system for getting someone to call you darling after sex.