If you ask people to count the number of times that a light flashes, and you flash the light seven times together with a sequence of eight beeping tones, people will say the light flashed eight times.

• 再比如，你让别人帮你数光束次数。尽管你一连串发出七次光束，但却给出了八次声音，结果人们还是会说有八束光。