当一个机会来临时，把注意力集中在可能的情况，这将使你更果断。

Focus on the potential of the situation and this will help make your more decisive; when an opportunity comes along go for it.

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在非常严重的情况下，拇趾囊肿可能要手术切除。

In very severe cases, bunions may be surgically removed.

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这可能会引起胃部不适、溃疡、头痛、背痛、高血压，甚至在严重的情况下，这可能导致惊恐发作或惊恐障碍。

This may cause stomach upset, ulcers, headache, backache, high blood pressure, and in severe cases, this can lead to panic attacks or a panic disorder.

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And the question is, what do we want to count? Now, one possibility is to do best case.

问题是，我们应该针对哪种状况？,一种可能性是针对最好的情况，也就说在所有可能的输入里面。

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In another social example, maybe you go with friends to a restaurant that you heard it was decent.

在另一种社交的情况中，可能你跟你的朋友们去一家口碑不错的餐厅吃饭。

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The other obvious one to do would be worst case. Again, over all possible inputs to this function, what's the most number of steps it takes to do the computation?

很明显另一种就是针对最坏的情况了,也就是在所有可能的输入,里面选出用的,步骤最多的那个输入？

麻省理工公开课 - 计算机科学及编程导论课程节选