The theory sounds eccentric but once he starts to explain the detective work that went into his deduction, the scepticism gives way to wary admiration.

这个理论听起来怪怪的，但一旦他开始解释符合他的推理的侦探工作，怀疑就变成了对他谨慎的赞赏。

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He starts to explain his cause and the need for people to sign the petition.

CNN: American Scene: Taking Political Baby Steps

He calls his destination to explain that he will be late, and starts to walk.

ECONOMIST: Free at last

If he steps forward and starts putting real specifics on the table for some of the hard choices and uses his platform to explain to the country why it is so important not to duck from these issues as we work to get the economy back on track, his speech will have been a great start to a serious effort.

CNN: Obama, we need honest dialogue on debt