或许世界上最昂贵的户外广告空间位于纽约百老汇中心的时代广场；三星和LG很早就在那夺得了显眼的广告位。
Perhaps the most expensive outdoor advertising space in the world is on Times Square in the heart of Broadway in New York City; Samsung and LG long ago taken prominent spaces there.
其他类型的LED已被广泛用于交通信号灯、户外显示屏(比如纽约时代广场的显示屏)、体育场，甚至被用于机场跑道。
Other types of LEDs are already at work in traffic lights, outdoor displays (like those in New York City's Times Square) and stadiums; airports even use LEDs on their taxiways.
其中一个认为，由于旧石器时代晚期气候寒冷，需要户外活动的原因，有一个大脑袋是必须的。
One is that big heads were necessary to survive Upper Paleolithic life, which involved cold, outdoor activities.
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