The Bill and Melinda Gates Foundation Friday pledged $10 billion dollars over the next 10 years to research and develop new vaccines.

VOA: standard.2010.01.29

Someone figured out at the median contribution that got you invited to stay a night in the Lincoln bedroom, Bill Gates could afford to stay in the Lincoln bedroom every night for the next sixty six thousand years.

有人算出来,按能受邀在林肯卧室留宿一夜,所需捐款额的中位数计算，比尔·盖茨完全付得起在林肯卧室,住上6万6千年。

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