Will time travel ever become a reality?

　　時(shí)光旅行真的會(huì )成為現實(shí)嗎？

　　He could no longer distinguish between illusion and reality.

　　他再也分不清幻想與現實(shí)之間的區別了。

　　You need to keep a good grip on reality in this job.

　　做這個(gè)工作你需要充分了解實(shí)際情況。

　　He's really very human when you get to know him.

　　你若了解他，就知道他確實(shí)很有人情味。

　　In my experience, very few people really understand the problem.

　　據我的經(jīng)驗看，真正理解這個(gè)問(wèn)題的人很少。