allá donde fueres angolul

when in Rome, do as the Romans do▼(behave as those around do)
phrase
[UK: wen ɪn rəʊm duː əz ðə ˈrəʊ.mənz duː] [US: hwen ɪn roʊm ˈduː ˈæz ðə ˈroʊ.mənz ˈduː]