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that is so; that is right; it looks to me; that's my impression
people say that; it is said that; I hear that
はい、そうですよね。
Yes, that's right.
そうです、この道で合っています。
That's right, this road is correct.
そうですか、それは知りませんでしたと驚いて言った。
I was surprised and said, 'Really? I didn't know that.'