Performers including singer Sheryl crow, hip hop artist Common and "American Idol" winner Jordin Sparks dazzled the crowd, bundled in coats and scarves.

当天出席圣诞树点灯仪式的艺人包括歌手雪儿·克罗、嘻哈歌手“凡夫俗子”(Common)和“美国偶像”冠军乔丁·斯帕克斯，他们的表演让观众倾倒。观看表演的观众们穿着棉衣，戴着围巾，裹得严严实实。

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One of LaserMotive’s founders, Jordin Kare, reckons that a similar laser could deliver about as much energy 20km up if the photovoltaic panel were only a few times larger.

Jordin Kare是激光动力公司的创建人之一，他认为只要将光伏板的面积扩大几倍，同样的激光束可以传输20千瓦以上的能量。

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One of LaserMotive's founders, Jordin Kare, reckons that a similar laser could deliver about as much energy 20km up if the panel were only a few times larger.

ECONOMIST: Monitor

No woman has won since Jordin Sparks in 2007.

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