How much does it cost to become a member?
要成为会员得花多少钱？
It's time we got on to the question of costs.
我们该讨论成本问题了。
That one mistake has cost him dear over the years.
那一个差错使他多年来付出了沉重的代价。
Cost was a key element in our decision.
价钱是我们决策时考虑的主要因素。
The cost should average out at about 6 per person.
费用应该是平均每人约6英镑。