人们普遍认为，苹果手表等智能手表的成功与否取决于能否解决电池这个问题——因为几乎没有人愿意每天为手表充电。
The success of smart watches, including Apple's version, is thought to hinge on solving this problem - because few users are willing to charge a watch every day.
库克说苹果手表将拥有18小时的电池寿命，解决了这个装置究竟要多么频繁地充电的疑问。
Cook said the Apple Watch will boast 18 hours of battery life, addressing speculation about how frequently the device would require charging.
库克说苹果手表将拥有18小时的电池寿命，解决了这个装置究竟要多么频繁地充电的疑问。
Cook said the Apple Watch will boast 18 hours of battery life, addressing speculation about how frequently the device would require charging.
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