There is no easy way to measure racism directly; instead psychologists assess what is known as "implicit bias", using a computer-based test that measures how quickly people associate positive and negative words—such as "love" or "evil"—with photos of black or white faces.
出自-2010年6月阅读原文
In general, photo-centric websites like Flickr were found to be better at quickly removing deleted photos upon request.
出自-2010年12月听力原文
Why do "deleted" photos stick around so long
出自-2010年12月听力原文