In order to reveal people's implicit prejudice, participants are asked to watch a computer monitor while a series of positive words, negative words, and pictures of black or white faces appear.

为了揭示人们隐含的偏见，受试者按要求观看一台电脑显示屏，上面出现了一系列正面的、负面的词语，还有黑人的、白人的面孔。

youdao

There was a small black-and-white monitor in one corner showing a large, noisy meeting in progress.

NEWYORKER: Silver or Lead

It came from a camera that had been pointed at a black-and-white monitor.

BBC: NEWS | Science/Nature | Search on for Moon landing film