A piano has black and white keys.

钢琴上有黑白键。

youdao

She has beautiful black and white keys, she is a musician.

她有着亮丽黑白键，她是一位音乐家。

youdao

A mellifluous bar, lamplight foil, as elegant as black and white keys.

行云流水般流畅的吧台，灯光的陪衬，如黑白琴键般优雅。

youdao

Nashville still has nearly three times as many music businesses as Los Angeles, but the establishment of a new creative class that includes non-country stars like Jack White and the Black Keys, as well as an improving local economy, has spurred demand for upscale dining options, one-of-a-kind shopping and buzzy cultural venues.

WSJ: Insider's Guide to Nashville | Journal Concierge

Specifically, with white virtual keys and a black background, it's one that will be familiar to users of other smartphones, who BlackBerry hopes to woo back home, as well as the brand's current fans.

CNN: In BlackBerry's future, keyboards may be an afterthought