That dates me, doesn't it?
それで私が年だってわかるだろ
That decides me.
それで決心がついた
That drove him around the bend.
それで彼は逆上した
That goes against my beliefs.
それは私の信念にそぐわない
That has served as a model for other projects.
それはずっと他の事業のモデルとなってきた
That is a matter of record.
それは公式記録に載っている事実[確実な事柄]だ
That is another matter [thing].
それはまた別の話だ
That is because ....
それは…だからだ
That is largely incorrect.
それはほとんど間違っている
That is my opinion.
それが私の考えだ