As medical professionals argue, most alternative medicines are introduced onto the market, via over-the-counter sales or the Internet, without any regulatory oversight.

医疗专业人士指出，大多数替代药物系通过非处方销售或因特网进入市场，不受任何监管。

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Mr. McDonald estimates the total over-the counter market is about $200 billion a year in sales.

McDonald先生估计所有的非处方市场年销售额约为2000亿美元。

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According to a counter on its website, Humble Bundle has generated over $730, 000 in sales on 147, 000 bundles ($4.96 per bundle).

根据该网站统计，Humble Bundle已售出147,000个游戏包(平均每个游戏包4.96美元)，获得销售收入超过730,000美元。

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But he agrees that such a book is sorely needed, and foresees brisk behind-the-counter sales .

BBC: The sex manual for ultra-Orthodox Jews

Teva Women's Health, which makes Plan B, said it would begin over-the-counter sales in a few months.

NPR: FDA: Morning-After Pill OK For Ages 15 And Up

If the government fails, it would clear the way for over-the-counter sales of the morning-after pill to younger girls.

WSJ: US government files morning-after pill appeal