What that was, however, they fail to say.

然而，到底证明了什么，他们却无法说出。

youdao

Predictions based on past patterns of mortality, they say, fail to take account of trends among the young.

他们指出，那种基于过去的死亡率的预测方式没有考虑到年轻人的变化趋势。

youdao

And they don't fail because they don't have something valuable to say; they all do -they fail because they stop writing; they stopped giving and providing valuable ideas to others.

他们失败也不是因为他们没有有用的东西可写。而是因为他们停止了写—他们停止将自己有价值的想法告诉别人。

youdao

They don't say to me, six bodies,one of them must fail.

他们没有告诉我，6个人当中要有1个挂科。

麻省理工公开课 - 固态化学导论课程节选

What that was, however, they fail to say.

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Predictions based on past patterns of mortality, they say, fail to take account of trends among the young.

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