eye candy
noun [ U ] informal uk/ˈaɪ ˌkæn.di/ us/ˈaɪ ˌkæn.di/
华而不实的人（或物）
someone or something that is attractive but not very interesting or useful
Most of the images on the website are not more than eye candy. 网页上大多数图片虽然吸引眼球，却毫无意义。