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在线急求英语课文翻译!

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在线急求英语课文翻译!
Barter is the exchange of resources or services for mutual advantage,and may date back to the beginning of humankind.Some would even argue that it's not purely a human activity;plants and animals have been bartering for millions of year.In any case,barter among humans certainly pre-dates the use of money.Today individuals,organizations,and government still use,and often prefer,barter as form of exchange of goos and services.
Cattle,which include sheep and camels,are the firet and oldest form of money.With the advent of agriculture came the use of grain and other vegetable or plant products as a standard form of barter in many cultures.
The first use of cowries was in China.Historically,many societies have used cowries as money,and even as recently as the middle of the 20th century,cowries have been used in some parts of Africa.The cowrie is the most widely and longest usd currency.
在线急求英语课文翻译!
物物交换是一种互利的资源或服务的交易行为,它可以追溯到人类的起始阶段.有些人觉得这不仅是人类的行为,动植物物物交换已经好几百万年.不管怎样,人类是在使用金钱之前就已经开始物物交换了.当今,个人,组织或政府仍然会进行物物交换,甚至更喜欢这一方式,它包括物品与服务两种.
羊与骆驼这些牲畜是最先当作钱来交换的.在许多国家,由于农业的发展,使得稻谷蔬菜和其他农产品成为物物交换的标准.
棱螺是中国最先用的.历史上很多国家把棱螺当成钱,甚至在20世纪的非洲还有部分地区这样做.棱螺是用得最久,流通最广的货币.