미국 전역의 우편물 배달과 우정 서비스를 담당하는 연방 정부 산하의 독립 기구.
The United States Postal Service, which is the government agency responsible for mail delivery in the U.S.
예문:
"The USPS delivers mail to millions of households across the country every day."
"I sent the documents via USPS Priority Mail to ensure they arrive by Friday."
"Many people rely on the USPS for receiving their prescription medications."