英语的常用词组应该是【in black and white】。【in black and white】 英 [ɪn blæk ænd waɪt]     美 [ɪn blæk ənd waɪt]白纸黑字 They want to see the agreement in black and white.他们想把这项协议用白纸黑字记录下来。We'd better put everything in black and white.我们最好把一切都白纸黑字写下来。   【black and white】 英 [blæk ænd waɪt]     美 [blæk ənd waɪt]    黑白; 白纸黑字; 书面I want the contract in black and white.我要这项合同见诸文字。Is the film in colour or black and white?这胶卷是彩色的还是黑白的?Black and white are opposites.黑和白相反。Most old films were made in black and white.多数旧电影片都是黑白的。I changed my black and white television for a colour set.我把黑白电视换了一台彩色的。The film was shot in black and white.这部电影拍成了黑白片。

itblackandwhite是什么意思