optional

In general, people should buy the highest “replacement-cost endorsement” — or optional addition to their policy — that they can afford, recommends United Policyholders.

“Dancing is optional but very much encouraged,” Swift wrote on social-media posts announcing the movie.

USC is “test optional” in its application process and students can decide whether or not to submit scores.

“Transparency isn’t optional in a democracy,” she continued.

Data will be stored only on the smartphones of individual users, and digital IDs will be optional.