water fee in cash

例句：

1. 1. The hotel chargesa $50 water fee for eachday.
   酒店每天收取50美元的水费。
2. 2. The government has introduced a new policyto reduce the water fee.
   政府推出了一项新政策以降低水费。
3. 3. The familydecided to switch to a cheaper water supplierto save on their water fee.
   家庭决定更换到更便宜的水供应商，以节省水费。