求翻译：當美國國內一磅咖啡豆的零售價是 12 美元時，哥斯大黎加的小農卻只能拿到每磅不到 1.3 美元的收購價。一般農產品的價格是由集中交易市場所決定，但是這個價格大幅波動的市場，讓第三世界的小農毫無生存的保障是什么意思？

When the retail price of a pound of coffee beans in the United States is $ 12 , the Costa Rica 's small-scale farmers can only get less than the purchase price of $ 1.3 per pound .

When retail price of US domestic one pound coffee bean is 12 US dollars, the small farmers in Costa Rica actually can only attain each pound are less than 1.3 US dollars purchase price. Generally agricultural product price is decided by the centralized trading market, safeguard that the small farmer

When the American domestic pound coffee bean retail price is 12 US dollars, Costa-Rica's small farmer only can attain each pound actually not to 1.3 US dollars purchase prices.The common agricultural product price is decided by the centralism trading market, but this price large undulation market, l

Dang United States domestic a pound of coffee beans at the retail price is $ 12, Costa Rica's small-scale farmers can only get less than 1.3 US dollars per pound price. Farm prices are generally determined by the centralized trading market, but the price fluctuations in the market, so that small far

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