The shipping industry promulgated a voluntary code.

航运业对自律守则进行了宣传。

《柯林斯英汉双解大词典》

The country fields for billing and shipping contain a two-letter country code such as DE for Germany or US for the United States.

用于支付和运送的country字段包含一个两个字母的国家代码，例如DE表示德国，或者US表示美国。

youdao

The state fields for billing and shipping contain a two-letter state code such as 01 in Germany or CA in the United States.

用于支付和运送的 state 字段包含一个两个字母的州代码，例如德国中的 01 或者美国中的 CA。

youdao

Having a tax code that rewards companies that are shipping jobs overseas instead of companies that are investing here in the United States -- that will not make us more competitive.

WHITEHOUSE: The White House

We have to change our tax code so it stops rewarding companies that are shipping jobs overseas.

WHITEHOUSE: The White House

In 2007 the International Chamber of Shipping and the World Shipping Council began work on a code of practice for container storage.

BBC: Lost shipping containers question