My friend, I am in a big mess, do you think you could help me tomorrow?
朋友,我现在正忙得一塌湖涂。明天你可以帮一下我吗?
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此,出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。