“例如，我无法控制最终自己是否会得猪流感。”他说。

"I cannot control whether or not I wind up getting the disease swine flu, for example," he says.

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“我应该在这桩交易里得到点什么，”农夫说，“用一只肥鹅换一头猪，真的！”

"I ought to have something into the bargain," said the countryman; "give a fat goose for a pig, indeed!"

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“不行啦，我只把猪送给早起的人，”阿拉布尔先生说。

"No, I only distribute pigs to early risers," said Mr.Arable.

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You could say, I could have zero chickens and 20 pigs, does that work? I've got one chicken and nineteen pigs, does that work?

为什么简单列举出所有可能的情况,再一个来检验？你可能会说,我可以有0只鸡和20只猪，这能行吗？

麻省理工公开课 - 计算机科学及编程导论课程节选

Well, you can't adopt the policy of "I'm going to wait for this pig to dance " and when it does I'm going to reinforce it" because it's going to take you a very long time.

那么，你就不能说,“我要等这头猪跳舞,然后再对它进行强化“,因为这会花掉你很长的时间。

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