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。

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。