谁来看看这句英语的翻译？
Human beings have been very nasty to each other for a very long time. People in the Middle Ages didn't carry swords as a fashion statement and frontier America was a far cry from "Little House on the Prairie."
参考答案:人类长久以来都极度互不相容。中世纪的人们佩带刀剑并非为了时尚，而美洲的边界地区则和“草原上的小屋”有着天壤之别。