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。
Pockets of the commodity sector, such as Petrobras’s deepwater drilling, do require high levels of technical expertise.
Pemex已经钻探十座深海油井，但仍未发现石油，该公司缺乏必要的专门技能、技术和资本。
Pemex has drilled just ten deepwater wells, but found little oil. It lacks the expertise, technology and capital it needs.
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