Wetalkaboutpeoplebeing“colour-blind”butveryfewofusareEv...
问题详情：Wetalkaboutpeoplebeing“colour-blind”butveryfewofusareEventhosewhodescribethemselvesascolour-blindarenormallyjustcolourlack.Astronglycolour-blindpersonwillstillbeabletotell20differentcolour,c...