这两种定义都和长跑有关，因为长跑者要做的一件事就是提高所谓的速度储备。

Both of these definitions relate to distance running because one thing the distance runner needs to be able to do is to develop what is known as a speed reserve.

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但各国储备释放石油的速度，比如美国的战略石油储备，也是有上限的。

And the speed of oil released from government reserves, such as America's Strategic Petroleum reserve, also has upper limits.

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如果这一估计正确，巨额财政储备将以令人瞠目的速度迅速耗尽。

If this is correct, it will be an astonishingly rapid depletion of a huge fiscal reserve.

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