1·Then it evaluates the health of infrastructure, such as the roads that mail carriers drive on.
然后，它评估基础设施的运行状况，例如邮车行驶的道路。
2·Mail carriers work in the post office.
邮递员在邮局工作。
3·And pooches that tagged along with mail carriers so loyally that they became the stuff of legend.
邮差狗非常忠诚地紧随着邮递员因此已经成为了传奇。
4·The Royal Mail sells postcode information, and transport timetables are sold by private rail carriers.
皇家邮政（Royal Mail）出售邮编信息，而私人铁路承运商出售运输时刻表。
5·The other Articles with characteristics of mail refer to those carriers which transmit information by using such forms as symbols, images, or sounds.
其他具有信件性质的物品是指以符号、图象、音响等方式传递的信息的载体。
6·And I have nothing against male carriers with college degrees, but I don't think it's an absolute necessity to have a college degree to deliver the mail.
我对有大学学位的邮递员没有什么成见，但我认为大学文凭并不是派发邮件的先决条件。