今晚，我宣布一个新的挑战，用以重新设计美国的高中，让他们能更好地提供给毕业生一种满足高科技经济需求的机会。
Tonight, I'm announcing a new challenge to redesign America's high schools so they better equip graduates for the demands of a high-tech economy.
今晚，我宣布一个新的挑战，用以重新设计美国的高中，让他们能更好地提供给毕业生一种满足高科技经济需求的机会。
Tonight, I'm announcing a new challenge to redesign America's high schools so they better equip graduates for the demands of a high-tech economy.
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