noun, noun or participle which takes 'suru'
double gain; twofold benefit
Refers to gaining two benefits or advantages at once. Often used in set phrases like 一挙両得 (killing two birds with one stone).
この方法なら時間もお金も節約できて、まさに両得だ。
With this method, you can save both time and money—truly a double gain.
一挙両得
Let's think of a plan that kills two birds with one stone.