编写一系列历史著作确实让人劳神伤骨，并且其成果并不是总是会带来成功。

WRITING for an historical series is tricky, and the outcome is not always a success.

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出于这个原因，骨可能会呈现变得更加强壮的假象。

For that reason, the bone may appear to get stronger.

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出于这个缘由，骨可能会呈现变得愈加强壮的假象。

For that reason, the bone may appear to get stronger.

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跑步会损害你的骨和关节。

Running will ruin your bones and joints.

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这些损伤会摧毁皮肤和软组织，有时直接摧毁骨组织。

These breaks destroy skin and soft tissue, sometimes all the way down to the bone.

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这些损伤会摧毁皮肤和软组织，有时直接摧毁骨组织。

These breaks destroy skin and soft tissue, sometimes all the way down to the bone.

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