Ecowas concedes it can achieve little on its own .

西共体承认它独自能够取得的成果很有限。

He concedes that there is still some opposition .

他承认，存在一些反对的声音。

Even business concedes that some new rules were long overdue .

甚至商人都承认有些新法令早就应当出台。

The book concedes immediate action is not always necessary .

该书承认，立刻行动并非总是必要的。

He concedes mr. grantham 's forecasts look pretty good now .

他承认，格兰森的预言现在看来相当准确。