retainer 在英语中是什么意思?与 Lingoland 一起探索这个词的含义、发音及具体用法
预付金, 聘用费
a fee paid in advance to someone, especially a lawyer, to secure or keep their services when required
保持器, 固定器
a device that holds something in place
随从, 家臣
a servant or dependent in a wealthy or noble household