I always lose them and find them again.

我老是会弄丢钥匙，之后再找回来。

I'm ~ing 实战 - SpeakingMax英语口语达人

It's important to keep in mind always that what we do can be fun And never lose that sense of fun and enjoy exploring things I think being an engineer is partly just problem-solving and mind-set.

有一点非常重要,就是始终牢记我们所做的事情是令人愉快的,不要丧失了这种愉悦感,要享受探索的乐趣,我认为成为一名工程师从某种程度上来说,就意味着解决问题，提出创意。

普林斯顿公开课 - 领导能力简介课程节选