每日一句口语：
Life is always about ups and downs. You won't always be at the top,but you won't always be at the bottom too.——人生充满了起起落落，你不可能一直站在顶峰，也不可能一直处在低谷。
【知识点讲解】
at the bottom 在底部
例句：Newcomers have to accept their position at the bottom of the pecking order.新来的人论资排辈只好屈居於最底层。
