Just out of interest, how much did it cost?

　　我只是好奇問問，這個(gè)花了你多少錢？

　　How much will it cost, more or less?

　　這個(gè)大概得花多少錢？

　　The total cost to you is  3 000.

　　你總共要支付3000英鎊。

　　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。