How much does it cost to become a member?

　　要成為會員得花多少錢？

　　It's time we got on to the question of costs.

　　我們該討論成本問題了。

　　That one mistake has cost him dear over the years.

　　那一個(gè)差錯(cuò)使他多年來付出了沉重的代價(jià)。

　　Cost was a key element in our decision.

　　價(jià)錢是我們決策時(shí)考慮的主要因素。

　　The cost should average out at about  6 per person.

　　費(fèi)用應(yīng)該是平均每人約6英鎊。