This rule verifies that any records that have country as US also have postal codes that match a particular regular expression.
该规则验证了任何country为us的记录，其postalcodes也匹配一个特定正则表达式。
The following example shows how to use a scalar rule for postal codes and country.
以下例子展示了如何对postal code及country应用标量规则。
The Postal Service has a strict rule stating that items sent through the post must not be more than 1 meter long.
邮电业有严格规定：通过邮局寄送的物件，不能超过一米长。
The Postal Service has a strict rule stating that items sent through the post must not be more than 1 meter long.
邮电业有严格规定：通过邮局寄送的物件，不能超过一米长。
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