let alone possible
更不用说可能了
以上为机器翻译结果，长、整句建议使用 人工翻译 。
How is Lawrence Gelman or Gilda Romero to know whether all that is essential, let alone the best possible treatment for the patient?
NEWYORKER: The Cost Conundrum
The idea that it is possible, let alone desirable, to allow multiple citizenship is relatively recent.
ECONOMIST: Dual citizenship
It is not clear whether campaign-finance reform is possible, let alone whether banning soft money is a good idea.
ECONOMIST: The trouble with heroes | The
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