There's the expense of buying a vacuum cleaner (and keeping it in good repair), plus the extra cost of purchasing cleaning must-haves like vacuum bags, sponges, paper towels and cleansers.

比如购买吸尘器(和它保持工作良好的维修费用)，加上购买那些日常清洁必须物诸如真空袋，海绵，纸巾和清洁剂的额外费用。

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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。

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The Old Bailey heard the material - which came from waste collected by 30 councils - had been shipped to Brazil by three companies to avoid the expense of sorting and cleaning it in Britain.

BBC: UK firm fined over illegal waste exported to Brazil

Perks that are commonly negotiated include vacation days, telecommuting, gym memberships, dry cleaning costs, child care, transportation expenses, professional society dues, education expense reimbursements, parking spots, projects, staff, and flextime.

FORBES: If You Can't Get More Money, Get More Perks