When in Rome, do as the Romans do.
When you are a guest, respect the customs of your hosts.
When a person finds themselves in a new place, in a new situation, in a foreign country, etc., it is necessary to adapt to new customs and behavior.
When [wen]:
When?
When.
Rome [roum]:
Rome.
The Roman Empire.
Do [du:]:
To cause, to make.
To behave, to suit, to resemble.
Roman ['roumən]:
Roman.
A Roman.
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