Some sites, such as Healia, can limit results to those written at a "basic reading" level. Others, such as Mamma Health, limit results to pre-screened medical sources.

有些网站，如Healia，可以对表明“基本阅读”的水平的使用者限制结果，其它如Mamma Health的网站，对使用者的医学渠道将预先过滤限制结果。

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The owner of the application adds members to the community as needed, and assigns each new member to the pre-defined application level roles.

应用程序的所有者根据需要向社区添加成员，并为每个新成员分配预定义的应用程序级别角色。

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As the chart below shows, by this gauge Canada is still 1% below its pre-crisis level and America is 3.5% down.

如下图所示，以此为标准衡量，加拿大仍较危机之前的水平降低1%，而美国下降了3.5%。

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General dissatisfaction with provider performance is typically insufficient justification for a cause-related termination unless it is substantiated by service level violations that are pre-defined as breaches that specifically allow termination for cause.

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Experiments with health care in states as far apart in every way as Utah and Massachusetts pre-dated anything done at the federal level.

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Many Katrina evacuees stayed away, and the city's population somewhere above the 360, 740 counted as of 2011 isn't back to its pre-storm level of 455, 000.

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