人体通过晒太阳来合成维生素D，可是皮肤科医生理查德·威勒指出，阳光还可以带来另一个惊人的益处。他的团队通过新研究表明：一氧化氮这种大量储存在皮肤中的化学传递质，能通过紫外线照射而释放出来，对血压和心血管系统产生很大益处。这是什么意思呢？那好，就从解释为什么苏格兰人比澳大利亚人更容易生病开始吧…… 演讲（无字幕）： Richard Weller: Could

So this is the Electronic World HP is helping customers build. We want to help you build and manage the IT infrastructure that allows you to extend your reach into new opportunities. We want to help y

5/10/10: White House Press Briefing May 10, 2010 | 1:03:40 White House Press Briefings are conducted most weekdays from the James S. Brady Press Briefing Room in the West Wing. Public Domain The White

All across California and all over America, every day, citizens are taking a stand to protect their families, protect their borders and protect their country. 在加州和整个美国，公民们每天都在表明立场，保护家人、保护边界、保护美国。 Ever

Now, of course, this does not mean that we should all stop collaborating 当然了，这并不意味着我们都应该停止合作 and case in point, is Steve Wozniak famously coming together with Steve Jobs to start Apple Computer 恰当的例子呢