Employed
vt. 雇佣（employ的过去分词）
🗣️ 情景例句
But her heart was with Donald.
但她的心中想的是Donald。
Know something of everything and everything of something.
既要有一般常识，又要有专业知识。
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。