What are the differences in meaning between these following sentences:
1. This is the same book that I read yesterday.
2. This is the same book as I read yesterday.
They are both a little odd. It is hard to see why anyone would say anything like that. It's "same" that causes the problem.
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They are both a little odd. It is hard to see why anyone would say anything like that. It's "same" that causes the problem. You would just say "That is the book I read yesterday."
I think there is no difference in meaning between these two sentences.
You can use "the same ... that" or "the same ... as".