n.效用；实用；公用事业（费）；[计]应用程序

adj.多效用的；多功能的

I have always doubted the utility of these conferences on disarmament. 我一直怀疑这些裁军会议的效用。

Does your rent include utilities? 房租包括水电和煤气的费用吗？

Utility prices, including water, electricity, gas, rose by 5.6 per cent. 水、电、煤气在内的公用事业价格都上涨了5.6%。

This utility can be run only in safe mode. 此应用程序仅可在安全模式下运行。