授大卫·斯皮格尔霍尔特教授还表示，为了保证不对无辜者使用这套安检措施，需要根据风险的轻重来选择进一步筛查的乘客。
To make sure innocent people are not used in this way, passengers should be selected for extra checks using a graded scale of risk, according to Prof Spieglhalter.
泰格伍兹、艾列奥特斯皮策、裘德洛、马克桑福特、杰西詹姆斯和大卫莱特曼
The Players: Tiger Woods, Eliot Spitzer, Jude Law, Mark Sanford, Jesse James, David Letterman
周五大卫·皮特雷斯递交了自己的辞职，承认欺骗了自己的妻子。
On Friday, director David Pitrace, turned in his resignation, and admitted on cheating his wife.
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