Retainers
n. （尤指服务多年的）仆人( retainer的复数形式 ); （为保留租房而付的）租房订金; （聘请律师等的）预付费用; 牙齿固位体
🗣️ 情景例句
Yes, I am.
是的，我是。
I often go to the office in the morning.
我常常在早上去办公室。
He could not wash himself or get dressed.Instead, his sister or his parents had to help him.
他自己不能洗澡或穿衣服，他的姐姐或父母亲就只好帮他的忙。