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by the way; incidentally; well; now
even if; no matter (what, where, how, etc.)
ところで、明日の予定は何ですか。
By the way, what are your plans for tomorrow?
今さら謝ったところで、彼女が許してくれるとは思えない。
Even if I were to apologize now, I cannot believe she would forgive me.
ところで、鍵はどこに置いたっけ。
By the way, where did I put the keys?