concessive
adj
(grammar) expressing concession(1) 表示承认、 允许、 妥协或让步的
a concessive clause, eg one introduced by as, although or even if, indicating a contrast with the main clause 让步从句(如由as、 although或even if引导的表示与主句意思相反的从句).
🗣️ 情景例句
It's been my experience that I agree that yours are of better quality.