But some take effect quickly. For example,in six months the new law will bar insurance companies from denying coverage to children with pre-existing health conditions.

VOA: special.2010.03.24

It's instead a process of organizing pre-existing materials And imposing order on those chaotic materials.

相反，它是一个组织原来存在物质的过程,并且给这些混乱的物质赋予秩序。

耶鲁公开课 - 旧约导论课程节选

using, like, you know, pre-existing data

用的是，你知道，已经存在的数据

乐团怎么样？ - SpeakingMax英语口语达人

Adults with pre-existing conditions will be added in four years.

VOA: special.2010.03.24

It would also bar insurance companies from denying coverage based on pre-existing medical conditions, and would limit their ability to impose large rate increases.

VOA: standard.2010.03.19

They were asked about their diet and lifestyle habits as well as any pre-existing diseases.

VOA: standard.2010.06.25

The insurance industry would come under new regulation under the bill, which would ban the practice of denying coverage on the basis of pre-existing medical conditions.

VOA: standard.2009.11.23

Under the House bill, the prohibition on denying coverage would begin one year earlier in 2013, with similar prohibitions on higher premiums based on pre-existing conditions or gender.

VOA: standard.2009.12.25

Insurance companies would no longer be allowed to deny health coverage based on pre-existing medical conditions a key point of weakness in and public anger with the current system.

VOA: standard.2009.07.21

President Obama faces united Republican opposition to his health care reform plan, which would expand coverage to some 30 million more Americans, and take steps such as ending insurance company practices of denying coverage for pre-existing medical conditions.

VOA: standard.2010.03.10