To most of us, it seems bizarre that people could miss such obvious changes while they are paying active attention.

人们在积极关注却忽略了这么明显的变化，这对我们大多数人来说这似乎很奇怪。

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Negotiated input is L2 material that the learner can acquire in interaction through requests for clarification and active attention being focused on what is said.

协商语言输入是初学者能在交流中通过要求对说话内容的清晰解释和重点提炼而学习到的L2材料。

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The constant background presence of these products of "literacy technology" does not require active attention, but the information to be conveyed is ready for use at a glance.

这些“识字科技”的产品以不变背景的形式出现，并不需要特别的注意，但其传递的信息时刻准备为人们的一瞥之用。

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have problems with paying attention, controlling their behavior and being overly active.

VOA: special.2010.05.26

You have to have authentic, active attention to do that.

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It's more of an exploration model whereas the BlackBerry is a more active push to your attention.

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That's why they are now paying extensive attention to active Chinese Web users.

WSJ: U.S. Steps Up Web Freedom Efforts