When we purchase medical insurance, the insurance company usually requires that you disclose your medical history. Pre-conditions are usually excluded from the coverage.

购买保险的时候，它们通常要求你列出你的病历。但是如果你有大病的话，很可能保险公司不愿意受保。

youdao

In China, medical liability insurance is still at the initial stage and it is unfair that patients are required to purchase "medical accident insurance".

医疗责任险在我国还处于刚刚起步阶段，要求患者购买“医疗事故险”或“医疗意外险”显失公平；

youdao

Alternatively, he said, Congress could require people to purchase insurance immediately before actually obtaining medical care.

WSJ: Conservative Justices Challenge Government Over Health Law

Is a government authorized to ration medical care and force individuals to purchase health insurance against their will consistent with even a minimal notion of privacy, private property and economic freedom?

FORBES: The Paradox of Rights 'Granted' Us by Government

Normally, such a proposal would be considered politically laughable because Medicare provides seniors with medical insurance they would otherwise be unable to purchase.

FORBES: Congressman Ryan, Should Predatory Pricing Cartels Really Run Health Care?