WhenJoshuaBlue,aheadteacherattheKennedy,hostsalecturefo...
问题详情：WhenJoshuaBlue,aheadteacherattheKennedy,hostsalectureforhisstudents,hewearsalightviolet-coloredtie."Youdon'twantsomanybrightcolorsthatthekidswillgetdistracted,"saidBlue.Colorsgiveoffveryspe...