https://online2.tingclass.net/lesson/shi0529/10000/10243/60.mp3
https://image.tingclass.net/statics/js/2012
本期內容：
All things in their being are good for something
天生我才必有用
all things in their being 可以理解為所有存在的事物
這里我們可以學習一個短語 be good for sth 對什么有益
be good for health 對健康有益
be good for the environment 對環(huán)境有益
它的反義詞是be bad for something 對什么有害
一切存在的事物都有他存在的理由
