大米的价格在过去一年中增长了一倍多。 但是，施特塞尔说，生产成本也提高了。
The price of rice has more than doubled in the past year, but Stoesser says production costs have also risen.
但是质量好不仅是卖得好——似乎生产成本也高，农民每付出一点都会增加他们的开销。
But quality coffee isn't just likely to sell more - it is also likely to cost more to produce, and any extra the farmer does make may simply go on higher overheads.
然而，就像手机变得日益便宜一样，该产品的生产成本也会随着大规模生产的展开而降低。
However, just as mobile phones have become cheaper, so the cost of production could fall as they are manufactured on a large scale.
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