It can be black, white or grey.

它可能是黑的、白的或灰的。

《牛津词典》

Certainly, the borders of our world seemed to be impacted when some white man or woman showed up where he or she did not belong, such as at the black Legion Hall.

当然，当一些白人男性或女性出现在不属于他们的地方，比如在黑人军团大厅，我们世界的分界线就似乎受到了影响。

youdao

Certainly, the borders of our world seemed to be impacted on when some white man or woman showed up where he or she did not belong, such as at the black Legion Hall.

当然，当一些白人男性或女性出现在不属于他们的地方，比如在黑人军团大厅，我们世界的分界线就似乎受到了影响。

youdao

Well, what we now call the black notes-- although historically keyboards could be either way-- you could have these added notes black or white and then these underneath would be black.

我们现在称之为黑色音符,尽管历史上键盘的颜色换成怎样都行,也许增加的音符是白色,而底下的这些音符则是黑色

耶鲁公开课 - 聆听音乐课程节选

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