To give some detail, it’s /var that is writable, and mutable directories will have symbolic links pointing to subdirectories of /var:
Раскрыты подробности о договорных матчах в российском футболе18:01
，详情可参考同城约会
Is Microsoft's first ever handheld Xbox console worth the wait?
“功成不必在我，功成必定有我。”