Opment
管理發展的經驗途徑
??? 情景例句
You work hard on all your committees,
而你總是在各種委員會里忙，
Of evil grain,no good seed can come.
壞谷無好種。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墻壁或山腰附近發出的喊聲，就會聽到回聲。