So, delta u is greater than zero.

那么，△u比零大。

youdao

Delta u is q plus w. Delta u isn't zero.

△U是q+w，△U不是零。

youdao

But the interest rates the Fed normally targets - basically rates on short-term U. S. government debt - are already near zero.

然而，美联储通常作为目标的利率——基本上就是美国短期国债的利率——已经接近于零。

youdao

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