新公寓配备了所有现代化便利设施，包括洗碗机和单元内洗衣房。

The new apartment comes with all the modern ___conveniences, including a dishwasher and in-unit laundry.

与前辈相比，我们享受着无数节省时间和精力的便利。

Compared to previous generations, we enjoy countless ___conveniences that save us time and effort.

一部可靠的智能手机或许是21世纪最伟大的便利之物。

A reliable smartphone is perhaps the greatest ___convenience of the 21st century.