a new safety rule的意思|示意

But I learned a new safety rule today.

但我今天学会了一条新的安全规则。

But I learned a new safety rule, today.

但是今天我学到了一条新的安全规则。

We've been working hard for the last year on produce safety standards, a preventive controls rule, and new domestic inspection and import strategies.

一年来，我们一直为生产安全标准、预防控制规则和新的国内检查和进口战略而努力。

The agency issued a tough new egg safety rule last year that only took effect on July 9, after this outbreak had started.

去年，食品药品管理局发布了要求严格的蛋品安全新规则，这个规则就在本次感染爆发后的7月9日开始生效。