An ulterior purpose in contrasting rigid and organic form was to embody both the discipline and craft of dentistry.

对比刚性和有机形式的进一步目的是体现牙科的规则和技艺。

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The desirable sort of interest is that which consists in spontaneous pleasure in the presence of children, without any ulterior purpose.

我们所乐见的关心蕴含在孩子面前那种自然的喜悦之中，没有任何隐含的目的。

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