Unfortunately, it is easy to limit the possibilities of a new idea by connecting it to only one area of our previous knowledge.

很不幸，我们很容易把一个新的想法仅局限于我们先前知识的一个方面。

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"Having discussed the injury with a specialist he is provisionally looking at an eight week lay-off, based on our knowledge of previous injuries of this nature, " added Tower.

BBC: Byrne out of Wales autumn Tests