在太空界有一句老话：外行谈技术，内行谈保险。

There's an old saying in the space world: amateurs talk about technology, professionals talk about insurance.

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有一句老话是形容这种人的。

There is an old saying to describe such a person.

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有一句老话：“通往地狱的路途铺满最好的意图”。

There is an old proverb which states 'the road to hell was paved with the best of intentions'.

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