bells and whistles
noun [ plural ] uk/ˌbelz ən ˈwɪs.əlz/ us/ˌbelz ən ˈwɪs.əlz/
华丽的点缀，花里胡哨的东西
special features that are added to a product or system to attract more buyers
Manufacturers still build luxury cars with all the bells and whistles. 制造商们依然在生产拥有各种花里胡哨功能的豪华汽车。