Not entirely accurate about that either, from what we now know about the profitability of slavery and the profitability of the cotton crop.

这点其实也不完全正确,因为我们已经讲到过,奴隶制和棉花作物能产生巨大的经济利益

耶鲁公开课 - 美国内战与重建课程节选

The biodiversity has shrunk for various reasons of profitability and as a consequence of that things like corn crops, and the orange crops in Florida are particularly susceptible to certain environmental conditions, certain pests, and certain types of blight.

生物多样性的减少源自利益的驱动,和玉米一样,佛罗里达的柑橘作物很容易受到,一定环境条件的影响,还有虫害和枯萎病

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选