公用事业费

水电煤气费

justify the expense───证明费用的合理性

business expense───企业费用，业务支出

capital expense───集资费用

living expenses───[经]生活费用

prohibitively expensive───极其昂贵的

additional expense───附加费用；额外开支

operating expenses───营业费用

All this uncertainty and expense has doubtless put off utilities.───毫无疑问，所有这些不确定性和花费推迟了该技术的有效利用。

Don't forget utilities, a commonly overlooked expense, and other charges, such as phone and Internet service, cleaning and property maintenance.───不要忘了水电等，这是一项普遍被遗漏的费用，还有其它支出，如电话和互联网服务、清洁以及财产维护。