当前时期，两种不利供给冲击正在推高预期通胀率，只要美联储以通货膨胀为目标，近期就不大可能实行进一步的量化宽松。

But as long as they are targeting inflation it seems unlikely that further easing would occur during a period where two adverse supply shocks are driving up inflation expectations.

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最后，无人机还对美国更广阔的目标造成了冲击。

Finally there is the impact on America's broader aims.

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他们还说，该委员会被迫使用“非常乐观且时而有不确定的假设”来冲击2摄氏度目标。

The committee was forced to use "highly optimistic and sometimes unclear assumptions" to hit the 2c target, they say.

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