![Theideathatredmeansstopandgreenmeanshasinfluencedourliv...]( "Theideathatredmeansstopandgreenmeanshasinfluencedourliv...")
- 问题详情：Theideathatredmeansstopandgreenmeanshasinfluencedourlivesinmorewaysthanjusttrafficsignals(信号).Wehavebeentaughtfromayoungagethatthecolorredmeansdangerandgreenmeansit'sokaytomoveforward.Butwhywerethosecolorschosenfortrafficlightsinthefirstpl...
- 9519
中文谷