百(ひゃっ)科(か)事(じ)典(てん) hyakkajitenを o買(か)い() kaiたい taiという toiu御(ご) go関(かん)心(しん) kanshinは waあります arimasuか ka。 Are you interested in buying an encyclopedia? Literal Encyclopedia [object-を] buying [want-たい] [quotative-という] interest [topic-は] exist [question-ますか]. 百科事典を買いたいという御関心はありますか is very formal/polite — 御関心 uses the honorific prefix ご with 関心 ('interest'). という links the desire to buy with the noun 関心. Sounds like a salesperson's pitch. booksshopping~たい (want to)~という (called/named)honorific prefix (お~/ご~)
百(ひゃっ)科(か)事(じ)典(てん) hyakkajitenを o買(か)い() kaiたい taiという toiu御(ご) go関(かん)心(しん) kanshinは waあります arimasuか ka。 Are you interested in buying an encyclopedia? Literal Encyclopedia [object-を] buying [want-たい] [quotative-という] interest [topic-は] exist [question-ますか]. 百科事典を買いたいという御関心はありますか is very formal/polite — 御関心 uses the honorific prefix ご with 関心 ('interest'). という links the desire to buy with the noun 関心. Sounds like a salesperson's pitch. booksshopping~たい (want to)~という (called/named)honorific prefix (お~/ご~)