How to say “Until you pointed out the priority sign, I hadn't realised these seats were different.” in Japanese
In Japanese
優先席の表示を指さしてもらうまで、ここが普通の席と違うって気づかなかった。
Yūsenseki no hyōji o yubisashite morau made, koko ga futsū no seki to chigau tte kizukanakatta.