The question we're asking is, "Is there a good reason to add to our list of things there are?

我们的问题是,有没有一个很好的理由,让我们往已写有东西的清单上再添上几笔

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That would be a good argument if we had good reason to believe the conditional, the if-then claim.

如果我们有很好的理由相信这种假设，那这就是个很好的论据。

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Suppose that if you--Suppose we believed--we had good reason to believe-- if you really took seriously the thought that you were going to die, you couldn't stop screaming.

假设我们有很好的理由相信-,如果你确实很认真地相信自己会死，你会尖叫不断这个事实。

耶鲁公开课 - 死亡课程节选