易混淆的单词： Serfs

The challenges of hiring and managing modern day serfs

雇佣和管理当代“农奴”的挑战

Peter had a virtually inexhaustible supply of serfs .

彼得有几乎用之不尽的农奴。

Education was denied to the masses of serfs and slaves .

广大农奴和奴隶被剥夺了受教育的权利。

You mean they refused to be your serfs !

你是说他们不愿意做你的奴隶吧！

It is half a century since beijing liberated the thankful serfs of tibet .

自北京解放西藏农奴、令农奴感激以来，已经过去了半个世纪。