由于技术进步，美国经济正在发生一些重大的变化。

Thanks to the advanced technology something very important is happening to the US economy.

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作为一种选择而言，最现实的希望是那些能够减少环境污染、能源耗竭和全球气候变化的技术进步。

The best it seems realistic to hope for as a matter of choice are technological improvements that will slow pollution, the exhaustion of resources, and global weather changes.

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随着技术进步、放松管制和买方市场能力等条件的变化，上述情形也随之改变，商业银行开始面临前所未有的经营环境。

With technological advances, deregulation and the ability of a buyer's market conditions change, the situation has changed, commercial banks began to face an unprecedented business environment.

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