事实上，国会预算办公室预计，到2030年，一张代金券的价值只相当与我们所知的“医保”等价的私营保险单费的三分之一。

In fact the Congressional Budget Office estimates that by 2030 the value of a voucher would cover only a third of the cost of a private insurance policy equivalent to Medicare as we know it.

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实验再一次发现，这些女性在实验室测试中表现详单，但是怀孕前三个月的女性在执行性记忆的场地实验中的表现明显不佳。

Again, the women did equally well on the lab tests, but women in the first trimester did significantly worse than others on the field-based prospective memory task.

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今天，疟原虫已对仅含青蒿素的抗疟疾药物产生耐药性，世卫组织要求实验室停止对单药疗法的市场营销和销售。

Today, the parasite has become resistant to anti-malarials that contain only artemisinin and WHO has requested laboratories to end the marketing and sale of single-drug treatments.

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