cash crop造句
        Cranberries have become a major 
cash crop.
越橘已经成了主要经济作物。
The cash dividends they get from the 
cash crop would sustain them during the lean season.
从经济作物中获得的收益能帮助他们度过不景气的时期。
I guess you could say it's the ultimate 
cash crop.
我想你可以把它称为最赚钱的作物.