换句话说，他们都认为，国际税收体系未能跟上当前经济的步伐。

In other words, they all share a view that the international tax system has failed to keep up with the current economy.

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然而，公共基础设施并没有跟上城市扩张的步伐，这造成了大规模的交通拥堵，也大大拉长了通勤时间。

However, public infrastructure did not keep pace with urban sprawl, causing massive congestion problems which now make commuting times far higher.

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随着交通状况的改善，人们可以到达全国范围内更远更大的市场，从而鼓励更大型工厂的发展，以跟上销售增长的步伐。

As transportation improved, distant and larger markets within the nation could be reached, thereby encouraging the development of larger factories to keep pace with increasing sales.

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It's one of the most rapidly changing, hard to keep up with areas because someone can set up an electronic exchange overnight and suddenly become a base for trading trillions of dollars of securities.

经纪业是一个变化最快的行业之一,人们很难跟上它的步伐,因为人们可以在头一天晚上,设置一个电子交易,一夜之间,他就能在证券市场赚到千亿美金

耶鲁公开课 - 金融市场课程节选