If the price change lagged until after an actual commodity shortage had occurred, the fluctuation would probably be sharper and more sudden.

如果价格变化滞后到商品短缺真正出现时才发生，那么价格波动很可能更为剧烈、突然。

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Commodity bitmap image file for computer screen color set differences can differ slightly, with actual commodity color shall prevail, pictures for reference only.

商品图文件颜色因计算机屏幕设定差异会略有不同，以实际商品颜色为准，图片仅供参考。

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So when investors get worried by things like what's going on in Europe, commodity prices can fall sharply even though actual demand for commodities may be running higher.

所以当投资者担忧于欧洲债务危机等情况时，就算实际需求有可能是在不断增强，大宗商品的价格仍有可能急剧下挫。

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NCDEX, says that if buyers could insist on taking actual delivery of the commodity, it would make it harder for speculators to manipulate prices in search of a cash profit.

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But no actual trading of the physical commodity needs to take place.

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We use the vast majority of our arable land to grow corn and soy commodity crops instead of actual food.

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