最重要的是打击市场上的时间。

The most important is to hit the market on time.

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未经检验的干细胞疗法在市场上停留的时间越长，那些使用历史被做为其安全性和有效性的证明的风险就越大。

The longer that unproven therapies stay on the market, the greater is the risk that a history of use can be framed as evidence of safety and efficacy.

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名义影响和实际影响的综合结果取决于这些厂商支付新工人工资的数目，以及他们预计市场上对产品需求的增加还会维持多长时间等因素。

The mix between nominal and real effects would depend on how much they have to pay new workers, how long they think there will be an increase in demand for their products, and so on.

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