That 's because there are too many peoples in Italy, such as Romans, milanese, sicilians, and florentines.
这是因为义大利境内民族太多了，比如罗马人，米兰人，西西里人和佛罗伦萨人。
The Greeks, and then the Romans, improved the recipes for toothpaste by adding abrasives such as crushed bones and oyster shells, which were used to clean debris from teeth.
先是希腊人，然后是罗马人，将牙膏的配方加以改进。他们添加了一些磨料如碎骨和牡蛎壳，用来清除牙齿上的污垢。
"Romans" were used to write popular stories involving chivalric or courtly love, and such tales became known as romances.
当时人们用“ Romans ”语言来写包括骑士时代或宫廷式爱情故事在内的各种流行小说，而这些故事后来就被称为romances了。
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