1965年，美国的净国民储蓄率和国内投资率大概都是15%。

In 1965 its rates of net national saving and net domestic investment were roughly 15%.

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另外还有一些间接的净储蓄和利率的影响。

There are also indirect saving and net interest rate effects.

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另外还有一些间接的净储蓄和利率的影响。

There are also indirect saving and net interest rate effects.

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