Within very little time, the whole world will be made to feel better.

只需要很短的时间，整个世界都会感觉更加美好。

哈佛公开课 - 幸福课课程节选

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

how can we use this to make the world a better place.

我们如何用它来营造一个更加美好的世界。

干细胞和伦理 - SpeakingMax英语口语达人