The macroeconomic models used by many central Banks focus on short-term influences on inflation; they focus less on the supply of money and credit.

许多央行采用的宏观经济模型专注于通货膨胀的短期影响，而对货币及信用的供给较少关注。

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But even car sales, hampered by supply shortages of the fuel-sipping compact models Americans now suddenly want, fell by 7.4%.

不过就轿车而言，即便受限于节省燃料的紧凑车型(美国人现在突然青睐起这类车)供给不足，其销售也只下降了7.4%。

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I give Supply Chain Management, Plant Engineering Management, and Licensing Physics Research Papers scenarios as examples of the join-to-subscribe models.

我使用供应链管理、设备工程管理和许可物理研究论文场景作为加入并订阅模型的示例。

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The 3D printing boom, among other trends, is leading to an explosion in the demand and supply of 3D models and data on the web.

FORBES: London-Based Startup 3D Industri.es Aims To Become The Google Of 3D Search

Cook, speaking on the earnings call Jan. 23, blamed a dip in Mac sales to limited supply of the new iMac desktop models Apple started shipping in November and December.

FORBES: Apple Loop: Cook, Cash And the 'Silly' Lawsuit, The iOS 6 Update Saga, iPhone Problem in Brazil

The old models contend that capital supply is highly sensitive to changes in tax policy, and that a zero tax rate is needed to prevent capital from drying up over the long run.

ECONOMIST: Free exchange: Zero-sum debate | The