Everything is suddenly now an accessory rather than an essential.

现在，任何东西都突然成为佩饰而非必需品。

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Whether taking and sending photos or looking up directions on the go, smartphones have become an essential accessory for many globetrotters.

BBC: Rating smartphones for global travel

Carrying around an iBook, an iPhone or iPad has become the essential accessory of a certain kind of bourgeois bohemian.

FORBES: The Religion of Apple

Ms. Easley added one more essential accessory: good posture.

WSJ: Rethink: Pencil Skirts | Off Duty Spring 50