The emphasis is placed on the necessity of establishing acom- modity production base which concentrates the orange trees in particular ar- eas so as to form vast stretches of them.是什麼意思_The emphasis is placed on the necessity of establishing acom- modity production base which concentrates the orange trees in particular ar- eas so as to form vast stretches of them.在線翻譯_英語_讀音_用法_例句