In the mass production era, multinational firms tended to centralize their operations.

在大规模生产时期，跨国公司倾向于集中运营。

《柯林斯英汉双解大词典》

But it is getting harder to stop international economic integration, because at each stage of the production process firms are more intertwined than they were.

但是现在越来越难以停止国际经济一体化的进程了，因为在生产过程的每一个阶段企业都比以前更加交错复杂了。

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Traditional “production functions” allow firms to substitute quality for quantity.

传统的“生产函数”允许公司以质取代量。

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Exploration and production firms do well when prices are high, but refiners feel a squeeze.

FORBES: Magazine Article

The study found that slightly more oil and gas equipment suppliers were expecting growth than exploration and production firms.

BBC: Bank study claims oil jobs bonanza

In Louisiana, a former Film Commission director was busted for accepting bribes to help production firms land more tax credits.

FORBES: As Oscar Nominated Hollywood Moguls Bag Tax Cuts, They Seek To Raise Yours