Consider the following sentence: その薬は去年期限切れのだったので、捨てました。 I'm trying to explain what the bolded の does in the above sentence. This is what I came up with: の is used as a back referral ...
My basic understanding of より to compare things or ending letters, is failing me when there's a で or での in front of it. As I write this, I'm wondering, can read でより as "with, more", "in, more"? ...