She entered Jim's postcode, and watched as a street map appeared on the screen.她输入吉姆的邮政编码，然后看屏幕上出现的街道地图。Many people inadvertently transpose digits of the postcode.很多人疏忽之下会颠倒邮政编码中数字的顺序。The postcode allows the mail to be sorted automatically.邮政编码使得邮件可由机器自动分拣。Mark the frame with your postcode.在这一格里写上你的邮政编码。