In just two years, the number of countries reaching this level of coverage has doubled.

短短两年间，达到这一涵盖水平的国家的数目翻了一番。

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On finding some level of coverage, you could more closely examine those test cases to verify their adequacy.

找到一些级别的覆盖率后，您可以更仔细地检查这些测试案例来验证它们是否足够了。

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Obviously, the HDHP has lower premiums due to the lower level of coverage.

FORBES: Sticking With Our High Deductible Health Plan (and HSA)

To winnow the options, decide what you can afford and what level of coverage you are willing to pay for.

FORBES: How To Find The Best Deal On Health Insurance

In the US, that level of coverage starts to become background noise.

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