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But some luxury goods also serve a practical function.
当然，有的奢侈品也有实用功能。
youdao
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New research has found at least one practical function: temperature regulation.
新的研究为这种喙发现了至少一种功能：调节体温。
youdao
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New research has found at least one practical function: temperature regulation.
新的研究为这种喙发现了至少一种功能：调节体温。
youdao