It's very bad that tons of food are going to waste while people are starving.一方面数以吨计的粮食被浪费，另一方面人们在挨饿，这情况真是糟糕。Pipe bursts and repair delays cause large amounts of water to be wasted.水管爆裂和维修不及时导致大量的水被浪费。Agreat deal of time was wasted arguing over the details of the contract.许多时间被浪费在对合同细节的争论上。