what characteristic manners do you know of peoples around the world? Americans? Arabs? Chinese?

你知道哪国的礼仪特点?全世界的人民? 美国人? 阿拉伯人? 中国人?

Americans may be more extrovert than the people from the other two countries.They behaves more directly.
Chinese are not so extrovert compared to Americans.They usually express themselves in euphemistic ways.But sometimes they are as aggressive as Americans.
Arabs may be the most introvert people among the three.When you speak to them,it is not polite to stand too close to them.In addition,you must respect their religion and customs which are considered important by them.

翻译吗?