Eachwebsitecansenditsowncookietoyourbrowserifyourbrowser'spreferencesallowit,but(toprotectyourprivacy)yourbrowseronlypermitsawebsitetoaccessthecookiesithasalreadysenttoyou,notthecookiessenttoyoubyothersites.

Please segment the words.
Each website can send its own cookie to your browser if your browser's preferences allow it, but (to protect your privacy) your browser only permits a web site to access the cookies it has already sent to you, not the cookies sent to you by other sites.