For social work, normalization is not only a core theoretical idea, but also a complex practical activity.

正常化是社会工作中的一个核心概念，也是实务领域的一项复杂活动。

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People are only too keen to publish evidence for a new particle, whether this evidence comes from experiment or from some ill-established theoretical idea.

人们非常急切地去发表新粒子的证据，不管这些证据是来自于实验还是一些根基不牢的理论思想。

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Until the 1970s, public key cryptography was just an intriguing theoretical idea.

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The head of Nokia's research laboratory in Cambridge, Tapani Ryhanen, is keen to point out that Morph is a highly theoretical idea of what consumers might be expecting in a decade's time.

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The Germans regard this as a purely "theoretical" idea.

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