Adjective:

1. lacking hue or shades of grey; part white and part black;

   "a black-and-white cow"
   "black-and-white blooms"
   "black-and-white stripes"
   

2. not having or not capable of producing colors;

   "black-and-white film"
   "a black-and-white TV"
   "the movie was in black and white"
   

3. of a situation that is sharply divided into mutually exclusive categories;

   "he rejected a black-and-white world"
   "there are no black-and-white certainties"
   "there were no grey areas, you were either for him or against him, he was all black-and-white"
   

Colour receivers are still much more expensive than black and white sets.

彩色接收器仍比黑白的贵得多。

From the simulation results, Ch-LCD with UV band Ch-LC can be wide band reflection, thus, enabling a black and white display.

从模拟的结果得知，使用反射紫外光波段的胆固醇液晶显示器可以具有宽频谱的反射而成为黑白的显示器。

Someone had coloured in all the black and white pictures.

有人给所有的黑白照片都上了色。

The hip-hugging black and white polka-dot dress was the height of fashion.

黑白圆点花纹的紧身连衣裙当时是最时尚的。

A black and white police car cruised past.

一辆黑白相间的警车缓慢驶过。

He'd seen the proof in black and white.

他已经看过书面证据。

The wallpaper comes in black and white only.

这种墙纸只有黑白的。

She saw things in black and white.

她总是用简单绝对的眼光看待事物。

The pictures were in black and white.

这些照片是黑白的。

The film is shot in grainy black and white.

这部电影拍成有颗粒状的黑白片。

a black and white spotted dress

黑白点相间的连衣裙

a zebra's black and white stripes

斑马的黑白条纹

He insisted on having the agreement down in black and white.

他坚持要将协议用书面形式写下来.

Black and white are opposite.

黑与白是截然相反的.

He gave me assurance in black and white.

他给了我书面保证.

Black and white show a striking contrast.

黑和白形成明显的对比.

Gray is intermediate between black and white.

灰色介于黑色和白色之间.