翻訳　日本語　英語: 便利さ

1 advantage, asset, convenience, handicap, plus, vantage.

2 appliance, comfort station, contraption, contrivance, convenience, gadget, gismo, gizmo, public convenience, public lavatory, public toilet, restroom, toilet facility, wash room, widget.

3 benefit, convenience, expedience, expediency, welfare.

4 benefit, convenience, gain, profit, welfare.

5 comfort, comfortableness, convenience, ease, eudaemonia, eudaimonia, upbeat, welfare, well-being, wellbeing.

6 convenience, hoarded wealth, treasure.

7 convenience, letter, missive.