需不需要改交通规则我说不好，但是我希望警察执法能够更严格一些。

I'm not sure I want to change the rules, but I'd like the police to be stricter on the rules.

youdao

减少你在电脑前所花时间的第一步，你需要了解是实际上每天真正需要花多少时间在电脑前，在很多情况下，你会大吃一惊，比如说，我估计我每天需在电脑前花6小时，可实际情况呢，在5天里，我每天花了10小时在这个上面，我不知道这是为什么

The first step in reducing the amount of time you spend in front of your screen is to get an idea of just how much time you do actually spend there.

youdao

现在你告诉我我在这里要不要打括弧啊，需不需要大括弧？

Yep. Are you telling me I want parens there and not, and not braces?

youdao

I take a look at the second derivative, which is the second order condition.

我需要求出二阶导数,即需要寻找二阶条件

耶鲁公开课 - 博弈论课程节选