然而，经合组织也对此做出补充说明：目前美国经济上有两点并不明朗，一是生产总量的增长是否能够满足国内的自给自足，二是在经济强刺激减弱后，美国经济将会如何表现。

But, it added, “it is unclear if output growth is yet self-sustaining and how the economy will respond as the effect of the stimulus ebbs.”

youdao

另一方面，短期利率的低迷也刺激了货币供应量的扩张，狭义货币总量M1的增长尤为迅速。

On the other hand, the low level of short-term interest rates has tended to stimulate monetary expansion, reflected particularly in the increase in the narrow aggregate M1.

youdao

另一方面，短期利率的低迷也刺激了货币供应量的扩张，狭义货币总量M1的增长尤为迅速。

On the other hand, the low level of short-term interest rates has tended to stimulate monetary expansion, reflected particularly in the increase in the narrow aggregate M1.

youdao