1. To compound the delays, the unused airport is resulting in massive costs. 除了延迟之外更糟糕的是，闲置的机场带来了巨大的损失。
2. They had been hid in the unused gallery listening to their own funeral sermon! 他们一直躲在闲置的走廊里，听着自己的葬礼布道！
3. The practice of destroying unsold stock, and even rolls of unused fabric, is commonplace for luxury labels. 销毁未售出的库存，甚至销毁成卷未使用的衣料，这种做法对于奢侈品品牌来说是司空见惯的。
4. The suggested theory is that a plant community becomes more susceptible to invasion whenever there is an increase in the amount of unused resources. 提出的理论是，当未利用资源数量增加时，植物群落更容易受到入侵。
5. United States Customs states that if imported merchandise is unused and destroyed under their supervision, 99% of the duties, taxes or fees paid on the merchandise may be recovered. 美国海关声明，如果未使用的进口商品在其监管下进行销毁，则对该商品支付的99%的关税、税费或费用可以得到赔付。
