B-doubles are commonly used for transporting goods.

He recorded three triple doubles in the game.

He is doubling down on his investment strategy.

He doubles down on his decision to quit his job.

He achieved quintuple doubles in five consecutive games.

Takeout doubles are commonly used in bridge to show a strong hand and support for the other suits.

I used test doubles to simulate dependencies in my unit tests.

The exhibition featured various Gothic doubles, including statues and paintings.

There are many optical doubles in the night sky.

Period doublings occur when the system undergoes a bifurcation.