With manners, the best rule is the one that works.

就礼貌而言，最佳原则便是实用。

youdao

They also tried to create an operating system with manners.

他们还努力创建一个有礼貌的操作系统。

youdao

There was a man with manners, and an innate sense of fair play.

这真是一位有礼貌的人，一位天生有关公道意识的人。

youdao

The trouble with such views, usually based on anecdote rather than evidence, is that with manners and behaviour they can become a self-fulfilling prophecy.

BBC: UK

On one side, 64-year-old Boies, an Illinois native with disarming manners and a boyish smile--and a talent for neutralizing very powerful adversaries.

FORBES: The Battle of the Titans over AIG

Adapted by Ruth Prawer Jhabvala from the novel by Kazuo Ishiguro, this Merchant-Ivory production strains so hard to portray dignified restraint that it almost seizes up with good manners.

NEWYORKER: The Remains of the Day