麦当劳开始销售更好的咖啡来挑战星巴克。

McDonald's started selling better coffee as a challenge to Starbucks.

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基利开始挑战赛车技术的基本理论。

Killy began challenging the basic theories of racing technique.

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“专有权开始受到挑战，”她说，“我认为，这与奢侈品本身受到的挑战是密切相关的。”

"Exclusivity is starting to be challenged," she says, "I think that goes hand in hand with how luxury itself is being challenged."

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We differ from lower animals and our brains, which are much more capable of storing and processing information, but we're living in a time of revolution when machines are challenging or competing with our brains.

我们不同于其他低等动物，我们的大脑更能够存储和处理信息，不过身处改革年代,机器开始挑战甚至是,和我们的大脑开始竞争。

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