Five-star hotel effect

Quick answer：

The term 'five-star hotel effect' refers to the high-quality and luxurious experience associated with five-star hotels. These hotels typically offer exceptional service, upscale accommodations, fine dining options, and state-of-the-art amenities. The term can also be used metaphorically to describe the impact of high-quality services or products that exceed expectations, similar to the standard set by five-star hotels.