智能家居设备对忙碌的家庭来说是受欢迎的便利设施。

Smart home devices are popular ___conveniences for busy families.

现代城市提供许多便利设施，如公共交通和在线服务。

Modern cities offer numerous ___conveniences such as public transport and online services.

附近有杂货店真是一种便利。

Having a grocery store nearby is a real ___convenience.