The world will be a dull place indeed when all the different nationalities behave exactly alike, and some people might say that we are rapidly approaching this state of affairs. (Passage 2)

【参考答案】

如果有一天，世界各国人民都同化得差不多了，那这个世界就毫无乐趣了。有人说这种现象有加快的趋势。