If you just have national regulations, nobody would like to stay behind.

如果你只有国家规定， 没有人愿意落后。

Aimed at skirting national privacy regulations.

目的是回避国家的隐私条例。

These days, it is differences in national regulations, far more than tariffs, that put sand in the wheels of trade between rich countries.

当前，是各国管理条例上的差异，而不是关税阻碍了发达国家之间的贸易。

National regulations banning supersonic speeds over land rule out trips across North America, home to lots of business travellers and most of the world's business jets.

美国法规禁止在本土超音速飞行，这就排除了穿越北美航行的可能性，而北美是众多商务旅行者和世界上大多数公务机的所在地。

National regulations about the amount of lead permitted in pipes have been strengthened over the years, but many old water distribution systems have not been updated and contain unsafe levels.

多年来，国家对管道中铅允许含量的规定不断加强，但许多旧的供水系统尚未更新，并且含有不安全的水平。