她在跳绳上也颇有天赋，还在最近的一次志愿者活动中展示了一下自己的出色技艺。
She's pretty talented with a jump rope, too, showing her prowess during a recent volunteer event.
但奥巴马开展了一次辉煌的竞选活动：通过互联网来激发人们的热情，大量志愿者的捐赠以及部署他们运用策略性的技巧在几乎每个州都开展宣传。
But Mr Obama ran a brilliant campaign, using the Internet to harness the energy and the donations of an army of volunteers, and deploying them with tactical skill in almost every state.
接下来，科学家们会对志愿者的大脑活动进行观测，让他们对闪现在屏幕上的食物和其他物品（例如棒球帽和T恤）进行5美元一次的出价。
The scientists next put the volunteers in a brain scanner and had them bid up to five dollars a time for food and other objects, such as baseball caps and T-shirts, that flashed up on a screen.
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