A complementary study of data from America's Health and Retirement Survey shows that alcohol taxes are far less effective for the large minority of heavy drinkers.

美国保健和退休调查委员会的一项补充性数据研究表明，酒税对为数众多的酒瘾很大的人来说远不具有影响力。

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DAS technology adds an acoustic survey of the wellbore, providing a complementary result to characterize flow paths in the well, further enhancing analytic capabilities.

DAS技术增加了井筒的声波测量数据，提供额外的数据来描述井内流道，进一步提高了分析研判能力。

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In fact, 75 percent of cancer patients who used complementary and alternative medicine didn't tell their physicians, according to a 2005 survey.

CNN: Antioxidants may interfere with breast cancer treatment