不同民族、地域和人种的思维方式不同。
Among different nations , regions and races , the thoughts are also different .
美国在地域和人种上的巨大差异，使得人们难以对美国民族的特性进行概括，这一点是显而易见的
" Such difficulties , which stem from the enormous variety of America and americans , should be rather obvious . "
地域人种