à bon vin point d'enseigne signifie anglais

good wine needs no bush▼◼◼◼(something good does not need to be advertised)
phrase
[UK: ɡʊd waɪn niːdz nəʊ bʊʃ] [US: ˈɡʊd ˈwaɪn ˈniːdz ˈnoʊ ˈbʊʃ]