It's much more a question of reminding you ; that if you can do it with this, you can do it with anything; but also of reminding you that, after all, reading--reading just anything--is a complex and potentially almost unlimited activity.

选择它主要是为了告诉你们,如果你能用理论来分析这篇，那么分析任何一篇都没问题;,还想提醒大家，阅读任何文章都是个复杂的过程,其中有无限种可能。

耶鲁公开课 - 文学理论导论课程节选

where you can use your meal account to get like free food

也就说，你能用你的用餐账户获得一顿免费的食物，

有趣的吃东西协会 - SpeakingMax英语口语达人

You could use PCR to do that because if you amplify a gene in PCR, that gene had to be present from the beginning.

你可以用PCR技术来鉴定,因为如果你能用PCR扩增某一段基因,说明它从一开始就肯定是存在的

耶鲁公开课 - 生物医学工程探索课程节选