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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The point of charter cities is to peacefully create pockets of high-quality First World governance in the heart of the Third World.

建立“特区城市”的目的是在第三世界里和平地建立起如同发达国家般的高水准的治理区，如何建立？

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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)

It is also taking money out of consumers' pockets by imposing high tariffs and licensing restrictions on consumer goods.

ECONOMIST: The trouble with free trade

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