fruitful和productive的区别
fruitful: adj. 富有成效的;多产的;果实结得多的 The fruitful old man passed away peacefully in the company of his family. 这个子女众多的老人在家人的陪伴下安详地去世了。 productive: adj. 能生产的;生产的,生产性的;多产的;富有成效的 The government is appealing to plant more trees to make the desert into...