A function is a rule of correspondence by which when anything is given (as argument) another thing (the value of the function for that argument) may be obtained.
函数是一种对应规则,通过它当给定任何东西(作为参数)时,可以获得另一个东西(该参数的函数值)。
Singing is not only my career, but also my passion.
你的声音就是你的力量,永远不要让别人压制它。
The best preparation for tomorrow is doing your best today.
幽默是应对生活荒谬的一种方式。