不断累积的证据告诉我们，抗逆转录病毒疗法不仅仅只是一种治疗。
Growing evidence tells us that antiretroviral therapy is more than just a treatment.
原因在于，当一个理想版本基因“扫描”一个人群，变异便开始在DNA中逐渐累积，这会将基因的统一性——基因扫描的证据——加以破坏。
The reason is that after a favored version of a gene has swept through the population, mutations start building up in its DNA, eroding the uniformity that is evidence of a sweep.
但是这些年来，足够多的证据累积证明大部分心血管医生现在承认巧克力对于心血管潜在的益处。
But in the intervening years, enough evidence has accumulated that most cardiologists will now admit to the potential cardiovascular benefits of chocolate.
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