Registered mail
01
挂号信, 挂号邮件
a postal service that provides secure and trackable delivery for important or valuable items, requiring the recipient's signature upon receipt
例子
She decided to send the legal documents by registered mail to ensure they arrived safely.
她决定通过挂号信寄送法律文件,以确保它们安全到达。
He received a notice from the post office to pick up a registered mail package.
他收到邮局的通知去取一个挂号邮件包裹。



























