这就是为什么全国性药品名录还未出台的原因，也是药品价格持续走高的原因。
That's one reason why the idea of a national list hasn't gone anywhere while drug costs keep rising fast.
公众对美国商业的持续走高持怀疑态度。
经济前景受到持续走高的石油和食品价格的影响。
The outlook is clouded by persistently high oil and food prices.
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