If there exist a product that can wake you up naturally, will you purchase it?

如果有产品可自然的睡醒，你会选购吗？

youdao

If there exist a product that can wake you up naturally by means of lighting and smelling, will you purchase it?

如果有产品利用光和气味令你自然的睡醒，你会选购吗？

youdao

If there exist a person like this in your life, do cherish! Because you really begin to fall in love with him, although you did not know.

如果在你的生活中有这样的人存在，千万不要放弃他，因为也许你还不知道，你真的爱上他了！

youdao

He said that there was no reason to continue writing music as if these devices did not exist.

VOA: special.2009.06.21

Well,if I just am my personality,then I don't exist in Phase D, because there's nothing there to be me,nothing with my personality.

如果我只是人格的代表，那在D阶段我就是不存在的，因为没有什么可以证明我的存在，我的人格已经消失。

耶鲁公开课 - 死亡课程节选

But if there were nothing beyond the DNA in cells, life could not exist.

VOA: special.2009.12.08

But close orbits would broadly be too hot - the hunt seeks roughly Earth-sized planets orbiting at a sufficient distance that water, if it is there, can exist in liquid form - and not so distant that it freezes.

BBC: Exoplanets near red dwarfs suggest another Earth nearer

Since scarcity is the basic economic problem, if it does not exist then there is no reason for my economics course.

FORBES: We're All Economists Now: Scarcity Lessons For High School Students

If the company ceases to exist, there has to be some kind of wrap-up.

FORBES: Raising Money From the (Corporate) Dead