How much does it cost to become a member?

　　要成為會(huì)員得花多少錢？

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

　　我們?cè)撚懻摮杀締栴}了。

　　A new computer system has been installed at a cost of 80 000.

　　新的計(jì)算機(jī)系統(tǒng)已安裝，費(fèi)用為8萬(wàn)英鎊。

　　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。