About boutique hotel, the right thing is ()

Boutique hotel originally refers to a small shop specializing in fashion clothes. Specifically: ① This accommodation facility originally originated from private, luxurious or bizarre environment in North America, in order to provide unique and personalized living experience and service, as a difference from large chain hotels. ② Boutique hotels can be divided into fashion boutique hotels, mini-city boutique hotels, dream boutique hotels, lifestyle boutique hotels and boutique hotels integrating design and fashion. Compared with full-service hotels, this kind of hotels pay attention to the experience of core products in rooms, with lower operating costs and less investment risks.