Trade between two countries can be mutually beneficial, even if one of them is less efficient in the production of all commodities.
如果你不犯错,说明你解决的问题还不够难。那本身就是个大错误。
伟大的团队建立在相互尊重和共同目标之上。
In science, failure is not the opposite of success but a stepping stone towards it.