如果你没有失败,说明你还不够努力。
Chinese agriculture must take a modernization path with its own characteristics.
The difference between correlation and causation is not just academic—it can have profound policy implications.
我一直以为人是慢慢变老的,其实不是,人是一瞬间变老的。
酸和碱是互补的;没有另一个,一个就无法存在。