Pockets of the commodity sector, such as Petrobras’s deepwater drilling, do require high levels of technical expertise.

商品领域的局部行业，如巴西石油公司的深海钻探，确需高水平的技术专长。

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Additional pockets of high carbon monoxide concentrations southeast of Hudson Bay may have been transported to the area from the Northwest Territories, but they may also be from local fires.

另外一些高一氧化碳含量区位于哈德孙湾东南方向，可能是由于西北地区的烟尘传播到该地区，但也有可能是当地火灾所造成的。

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A map of Europe measuring the number of patent applications shows a similar pattern - with high concentrations in pockets of England, France, Germany and Finland.

一张计算欧洲专利数量的地图说明了相似的情况-专利主要集中在英国，法国，德国和芬兰。

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They face a constant battle to protect pockets of high profits and have few chances to grow.

ECONOMIST: Lessons from the telecoms bubble (1)

For instance, one reason why pockets of unusually high unemployment exist, he argues, is that those communities tend to be outside the right networks.

ECONOMIST: Managing power networks should be a priority

If vessels want to catch the tuna in the PNA's rich waters, they must agree to host an independent monitor onboard and stay out of designated high seas pockets that extend for 1.7 million square miles.

WSJ: David Walter: The Great Pacific Tuna Cartel