Silk had become one of the primary goods traded along the Silk Road by about 100 BC.

至公元前100年左右，丝绸已经成为丝绸之路上的主要贸易商品之一。

youdao

The used relative to the primary goods are not sold and used.

使用过的与没有出售过和用过的初级产品是相对的。

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In this example, the task is to build an e-commerce application for a company whose primary business is selling manufactured goods to consumers.

在该例中，要完成的任务是要为一家公司构建电子商务应用程序，这家公司的主要业务是向客户销售工业制品。

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He wants Norfolk Southern to be the primary rail carrier for imported goods from East Coast ports.

FORBES: Magazine Article

This is the first time in the history of the world economy where one nation stands to be the primary source for most manufactured goods.

FORBES: A river runs deep

Some developers have started to use Credits as the primary currency for purchasing individual virtual goods within games.

FORBES: Developers Must Learn To Stop Worrying And Love Facebook Credits