Duh!" of course, is our response, and yet at the same time we can't understand a degree of mystery in even so seemingly simple a pronouncement. A beginning, of course--well, it has to have a beginning.

我们肯定要说：“废话！这不是明摆着的么！“，但同时,我们并不能深刻理解这样一个看似浅显的观点,起因，当然啦，一个故事总要有个开头。

耶鲁公开课 - 文学理论导论课程节选

There are so many synonyms for these things.

当然有很多同义词啦。

哈佛公开课 - 计算机科学课程节选

And to make this more concrete, if a firm is competing against a competitor it can be pretty sure, that competitor is a pretty sophisticated game player and knows that the firm is itself.

再具体点说,如果一家公司在和它的竞争对手竞争,可以肯定其竞争对手一定很老练,这家公司当然也很老练啦

耶鲁公开课 - 博弈论课程节选