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Pecans are a peculiar nut .

山核桃是一种特殊的干果。

Prices of the pecans he buys are 50 % higher than any previous peak .

他购进山核桃的价格比以往任何时候的最高价格都贵50%。

A chinese trader has heard that he has a stockpile of pecans and wants to talk .

一个中国商人听说他有大量的山核桃存货，希望跟他谈一谈。

That means the types of pecans , their growing seasons and the cost of production vary widely .

这意味着山核桃的种类、生长季节和生产成本都有很大差异。

Pecans offer a case study in how china is reshaping entire industries for its trading partners -- and not only by exporting goods made by its low-wage workers .

山核桃可在中国如何影响其贸易伙伴全部产业格局方面提供案例分析，而且不仅仅是指中国向贸易伙伴出口廉价劳动力生产的商品。