甚至连公司董事长都承认结果令人失望。

Even the company chairman ___concedes that the results are disappointing.

作为镇图书馆的常客，我不得不承认那篇文章说的是实话。

As a frequent user of the town library, I had to ___concede that the article was telling the truth.

经过长时间辩论，他终于承认对手的论点是有道理的。

After a long debate, he finally ___conceded that his opponent's argument was valid.