Serfs
n. 农奴, 奴隶( serf的复数形式 ); 像农奴般遭受奴役的人
🗣️ 情景例句
To advertise during prime time TV is very expensive.
在电视的黄金时段买广告是很贵的。
To deliver the mail
投递邮件
We don't need it until next month.
我们要到下个月才用得着。