Maria says, " Oh, and I want this box to go to Olten, Switzerland, but just send it regular mail through the post office, " meaning through the public mail system.

玛丽亚说，“哦，我想把这个箱子寄到瑞士的奥尔滕，但只需通过邮局寄普通邮件， ” 意思是通过公共邮件系统。

Sometimes that's called " express service." Both private companies such as UPS and FedEX, as well as the public mail service in the United States, the U.S. Postal Service, all of them offer overnight service.

有时这被称为“快递服务” 。 无论是UPS和FedEX这样的私人公司，还是美国的公共邮件服务， 美国邮政服务， 它们都提供隔夜服务。