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.
那一個差錯使他多年來付出了沉重的代價。
Cost was a key element in our decision.
價錢是我們決策時考慮的主要因素。
The cost should average out at about 6 per person.
費用應該是平均每人約6英鎊。