No one knew how to treat this dreaded disease。

　　沒人知道如何治療這種可怕的疾病。

　　We try to treat every member of staff equally。

　　我們盡可能平等對待每一位工作人員。

　　Don't treat her like that—she's a person， not a thing！

　　別那樣對待她，她是人，不是物件。