I think they're purple or so in scratch, or yeah, purple, I think, generally; say hi, for two seconds.

我觉得在scratch中，它们是华而不实的，我觉得，通常，显示hi，只要两秒钟。

哈佛公开课 - 计算机科学课程节选

I really care about... it sounds really cheesy, but I would like to live in a better world,

我关注的是……这也许听起来挺华而不实的，但我希望我们的世界更加美好，

为了更美好的世界 - SpeakingMax英语口语达人