It started with things like assessing credit risk from loan applications, sorting the mail by reading handwritten zip codes.

从评估贷款申请的信用风险开始，通过阅读手写的邮政编码来分类邮件。

Zip codes were used to sort the mail.

邮政编码是信件分类的依据。

Zip codes are always five digits in America.

美国的邮编通常为五位数字。

The United States calls them ZIP Codes, for example.

例如，美国将邮政编码称为ZIP Code。

Users can search for providers based on their own ZIP codes.

用户可以根据他们自己的邮政编码搜索服务提供者。