试试你能不能把所有的都区分出来,我只做对了 7 题,最后一题没过。
https://www.buzzfeed.com/nathanwpyle/can-you-see-the-difference-between-purple-and-blue?utm_term=.cbg7NzPOG#.tsPV8GyRv
https://www.buzzfeed.com/nathanwpyle/can-you-see-the-difference-between-purple-and-blue?utm_term=.cbg7NzPOG#.tsPV8GyRv
