בְּרוֹמָא הִתְנַהֵג כְּרוֹמָאִי

ביטוי (אנגלית)

When in Rome, do as the Romans do

הגדרה (אנגלית)

A person must adapt himself to the customs of the place. "If you have come to the city, walk in its ways."

(Modern Hebrew)