Difference between sun's rays and sun ray?

[Mofli]

Hello, is there any difference between sun's rays and sun ray? thank a lot.

[Mister Micawber]

The first is plural; the second is singular.
_________________
Native English teacher at Mister Micawber's

[Mofli]

Well, I meant, what is the difference in usage of the sun's ray and sunray? I knew the plural singular difference.

[Mister Micawber]

'Sun ray' is two words. I see no difference in meanings. 'Sun's ray/s' is the native way.
_________________
Native English teacher at Mister Micawber's