显然，除非人们能自然地生活在那里，否则就不值得付出该努力。

Obviously, it would not be worth making the effort unless people could live there naturally.

youdao

否则就不过只是在线玩耍而已。

Otherwise it's just playing around online.

youdao

除非你的医生或药剂师说没问题，否则就不要将药和酒混着吃。

Don't mix alcohol and medicine unless your doctor or pharmacist says it's okay.

youdao

That would that would give rise to a perpetual motion machine, breaking of the second law. It can't happen.

否则就会使,得永动机出现，打破第二定律那是不可能的。

麻省理工公开课 - 热力学与动力学课程节选

you know, otherwise I don't feel so good.

否则我就觉得身体不舒服。

愉快的音乐庆典 - SpeakingMax英语口语达人

Or vaccines that could be transported more easily— the hepatitis vaccine that we get is not stable unless it's refrigerated.

或者令疫苗更易于运输,现在的肝炎疫苗一定要冷藏,否则它就不稳定

耶鲁公开课 - 生物医学工程探索课程节选