So notice what he's doing, he's using his scepticism remember he started out saying I'm not going to accept anything except what is completely certain.

请注意笛卡尔所正在做的，他正在利用怀疑主义,还记得他在开始的时候说过,我不接受任何东西，除非是确凿肯定的。

youdao

But if you stay focused on your own goals and ignore what the other guy is doing (except to the extent that you can learn from it), competition is no longer a factor.

但是如果你专注于自己的目标，忽略其他人的所作所为(除非在某种程度上你能从别人身上学到什么)，竞争就不再是一个赚钱的理由。

youdao

"It would be easy to dismiss [casual search behavior], except for the fact that people are doing it," he says.

“除了人们正在进行随机搜索这一事实本身，(随机搜索行为)很容易被忽略掉”，他说。

youdao

I wouldn't give a midterm, because I think it's a waste of time, except we have to have some sort of-- it gives you an indication how you're doing in the course.

我不想考期中,因为我觉得就是浪费时间,不过我们必须得有点什么,能让你知道你这门课学得怎么样了

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