历史学家理查德·怀特认为，即使是次要责任的归属也可能没有证据支持。
According to historian Richard White, even the attribution of secondary responsibility may not be supported by the evidence.
总而言之，“我们没有发现证据支持抗氧化剂补充物有主要或次要的预防作用”，他们说。
In conclusion, \ \ \ "we found no evidence to support antioxidant supplements for primary or secondary prevention, \ \ \" they said.
支持证据本身就很强有力：没有水的非裔美国居民在近50年里曾经多次要求纠正不公平待遇，但是没有结果。
The supporting evidence was strong on its own: African-American residents without water had made repeated requests over a period of almost 50 years to remedy the inequity, to no avail.
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