Certified milk; certified check; certified mail.

合格牛奶；保付支票；保证邮件。

youdao

Send your roommate the notice via certified mail.

通过具有证明文件的电子邮件，通知室友。

youdao

You have to sign for it when you receive a certified mail.

您收到挂号信的时候要签收。

youdao

Instead, the FTC recommends writing a letter and sending it and copies of supporting documents via certified mail to the credit bureau.

WSJ: Getting Going: How to Fix a Credit-Report Error

After Jones failed to pay real estate taxes on his Little Rock house for three years, Arkansas sent him a letter by certified mail to tell him it would foreclose on it.

FORBES: Surprise! We Sold Your House

In the present case, Allen County sent both of the tax sale notices at issue by certified mail, return receipt requested, to the address listed in the mortgage document and to another local address.

FORBES: Wells Fargo Ignores Mail Loses Security Interests