They keep track of "friends, " in a sense, but sharing food means spending!

从某种意义上说，它们维持住了“朋友”，但分享食物的同时意味着自己要破费。

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He is to be lauded for keeping careful track of his patients and sharing his experience with us.

他在对病人进行仔细的跟踪及和我们分享经验方面值得称道。

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In fact, the comparison to Napster is somewhat inaccurate, since Napster used centralized servers to track music sharing, while Bitcoin is entirely distributed.

实际上，拿纳普斯特来打比方并不十分确切，因为纳普斯特是用中央服务器来追踪音乐分享的，而比特币交易则是完全分散的。

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Emerging digital technologies, exemplified here by Audible Magic, will track intent, content sharing and interactions taking place, and serve up personalized content and promotional offers on any device we choose.

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Trade organizations find file-sharing data so hard to track that it isn't even included in their official piracy calculations.

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While in store, they can track trip details including tagging merchandise they liked, taking and sharing pictures with friends for instant reviews, buying surprise gifts by reviewing items liked on the store website.

FORBES: When smart phones and smart friends go shopping together