Some research is good: As always, try to read up on local customs and the culture.

The judicial system is based on English common law and local customs.

They rest on custom, because that's safest and takes the least energy.

The legal system is based on Islamic law and tribal custom.

I'd have thought questions on British customs and manners would be more useful.

Part of the service will include a cultural briefing before departure on language and customs.

The girls try on adult values and customs as though they were going to wear them forever.

We learn about the consequences of the industrial revolution on 19th-century social life and custom.

However, the practice appears to be based on custom rather than doctrine, which no one remembers.

A third major theme in the stories is commentary on traditional customs and institutions.