Coupons - When I was younger my brother and I made a coupon booklet for my mother it included things like "Wash dishes for the day", "Vacuum for the week" etc just chores around the house.

赠券——在我小的时候，我和哥哥经常为妈妈制作赠券小册子，这些小册子上包括诸如“洗盘子一天”，“拖地板一周”等等日常家务，我们把这些小册子放在房子的周围。

youdao

You'll talk to fifty people to sell one house, one car, one vacuum cleaner, one insurance policy, or a business idea.

你将跟50个人谈话才能卖掉一座房子，一辆汽车，一台真空吸尘器，一份保单或者一个商业计划。

youdao

And that was the day I looked around my house and saw what I had – a mop, a vacuum leaner and some cleaning fluids – and I decided to start our own cleaning business.

也是在那天，我将家里看了个遍，找出自己拥有的东西——一把拖把，一台真空吸尘器以及一些洗涤剂——然后决定开始我们自己的清洁业务。

youdao

The same goes for robotic spoons that make it easier for the infirm to feed themselves, power suits that help lift heavy grocery bags, and a variety of machines that watch the house, vacuum the carpet and so on.

ECONOMIST: Why the Japanese want their robots to act more like humans

The consortium tested the practicalities of using a printer on the Moon by setting up a D-shape 3D printer, which are used to print very large house-sized structures, in a vacuum chamber with simulated lunar material.

BBC: 3D printed moon building designs revealed

So why do you have lots of vacuum tubes stuck in lamps throughout your house?

FORBES: 5 Myths On LED Lighting