I recommend that you publish well-known prefixes for namespaces but never make any prefix mandatory.

我建议对名称空间使用人所共知的前缀，但永远不要强制性使用任何前缀。

youdao

The following transcript details the last known use of the OnStar Hands-Free A.I. Crash Advisor, once a mandatory install on all craft equipped for interstellar travel.

下面是已知的最后一次使用吉安星智能顾问的对话记录。 吉安星智能顾问一度是所有星际航行飞船的必备装备。

youdao

SELinux is by far the most well-known MAC system for Linux (mandatory access control).

到目前为止，SELinux是针对Linux的最有名的mac系统(强制访问控制)。

youdao

Those laws, known as the E-Privacy Directive, currently require telco networks in the EU to make a swift, mandatory disclosure about a data breach.

FORBES: Euro Regulators Probe Sony Data Breach

The administration hasn't finished a mandatory comprehensive study of U.S. nuclear-arms policy or a broader study of defense, known as the quadrennial review.

WSJ: U.S. and Russia Push Arms-Control Talks Forward

Jacket and tie were no longer mandatory, hair could be as long as we dared, and seventh and eighth graders were no longer known as first and second formers.

NEWYORKER: The Master