lit. the flowers in one's garden cannot match the fragrance of wild flowers (idiom) / fig. other women seem more attractive than one's own partner / the grass is always greener on the other side
(before a noun) Do (you, they etc) have ...? / Is there a ...? / (before a verb) Did (you, they etc) (verb, infinitive)? / Have (you, they etc) (verb, past participle)?