The researchers were able to do their work because of the Human Genome project. The project cost nearly three billion dollars, and was completed in two thousand three.

研究人员能够进行他们的研究工作是因为有人类基因组的研究项目这个前提。这个项目花费了近30亿美元，在2003年被完成。

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Another problem, say consumer advocates, is that medical providers charge patients for the full cost of a procedure at the first visit even before multistage medical work is completed.

WSJ: Is Your Doctor Pushing Credit Cards?

Medical providers may also charge patients for the full cost of a procedure at the first visit, even before multistage medical work is completed.

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