One potential explanation offered by the researchers is that advantages that are measurable in the very young and very old tend to fade when testing young adults at the peak of their cognitive powers.
研究人员提供的一个可能的解释是，在非常年轻和非常年长的人身上可以测量到的优势，在测试处于认知能力高峰期的年轻成年人时往往会消失。
Forty percent of that powers old-fashioned incandescent light bulbs—a 19th-century technology that wastes most of the power it consumes on unwanted heat.
其中40%的电能用于老式白炽灯——这是19世纪的一项技术，它所消耗的大部分电能都浪费在制造多余的热量上。
This spat will not be the last, and the combatants in future tussles will include old offline powers.
这样的争斗决不会是最后一次，未来角力的角斗士将包括曾经的线下势力。
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