So, pandas for instance, like this panda, are notoriously cute, and I don't have anything to say about it really.

比如说熊猫,像这只熊猫,就是公认的可爱,关于这我并没有什么可说的

耶鲁公开课 - 心理学导论课程节选

They just say, "It's just because!" It's hard to know exactly why it's "a".

他们只会说“没有为什么！”为什么用“a”很难确切搞清楚。

韩国人经常犯的失误 - SpeakingMax英语口语达人

The common man-- The common man can only say, "Of course we smile.

普通人，你们中没有普通人-,普通人只会说，当然，我们微笑。

耶鲁公开课 - 心理学导论课程节选