The potentially fatal flaw in Obamacare is the very same feature that appeals most to its supporters: the ability of even those with a serious preexisting health condition to buy insurance at the standard premium.
奥巴马医改的潜在致命漏洞正是其吸引大部分支持者的特色：已经存在严重健康状况的人也可以以标准费用购买保险。