It could be, for instance, that language is such a good idea that every culture comes across it and develops it.

比如说,可能只是因为,语言是一个非常棒的创新,所有文化都接受了它,并且发展了它

耶鲁公开课 - 心理学导论课程节选

So writing is a very, very good example of helping you take an idea and making it a reality.

所以写作是一个很好的典例，它能帮助你把一个想法变为现实。

英语写作：技巧 - SpeakingMax英语口语达人

Changing the diet of populations is a pretty good idea and it's the kind of thing that could help individuals certainly lead healthier, happier lives, but also could change things like healthcare costs for a whole country, so these are big, big factors.

改变大众的饮食是个很好的想法,它不仅可以让人们过上更健康幸福的生活,还可以改变整个国家的医保费用,所以饮食是个非常非常重要的因素

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And you know it's not the necessarily a good idea to do it, you start with "The thing is".

你心里清楚这么做并不一定是个好主意，你就可以用“The thing is”来回答他们。

The thing is 课堂 - SpeakingMax英语口语达人