于是这项检查向医学机构提出了一个难题：如何确保孕妇们在做选择前得到足够的咨询意见。他说。

So the new test poses a challenge to the medical establishment about how to assure that women get adequate counseling to make an informed choice, he said.

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再次，向订阅者提供选择的机会的前500强零售商已经减少了一半，从2008年的56%下降到2009年的28%。

Once again, more Top 500 retailers offer subscriber choices, but that number fell by half, from 56 percent in 2008 to 28 percent in the 2009 study.

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另外，你可以选择向读者提供书籍前15也的预览，来帮助他们确定是否想要购买你的书。

Additionally, you can opt to offer readers a preview of the first 15 pages of your book to help them decide if they want to make a purchase.

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