A user experience designer could help to improve a person's experience with just about anything—a doorknob, a faucet, a shopping cart.

用户体验设计师可以帮助改善人们体验几乎任何事物——一个门把手，一个水龙头，一个购物车。

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Pretty much any spark, from the static shock you get from touching a doorknob to the giant bolts that light up Jupiter's turbulent atmosphere, could be considered lightning, he said.

他说，几乎任何类型的火花，从你接触球形门把时所产生的静态冲击，直至照亮木星上狂暴气的庞大闪电，都可以认为是一种闪电。

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When you sneeze into your hands, chances are you then grab a doorknob, use a Shared phone, touch a keyboard, or shake a client's hand and then pass along whatever bug you're hosting.

当你朝手心打完喷嚏后，可能接下来会握门把，使用公用电话，摸键盘或和顾客握手，接著将身上已有的病菌因此传给别人。

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But tests carried out by laboratories in China, Hong Kong, Japan and Germany, for the WHO, now suggest the infection can also spread simply by touching a contaminated doorknob or lift button.

BBC: Sars 'can be spread by touch'

You can take home a Maison Martin Margiela egg doorknob for 59 euro, or a Fornasetti Le Figaro ashtray in the shape of the crumpled newspaper for 120 euro.

BBC: The City of Light becomes the city of design

So she sent Doorknob into the Haight to fetch a human musician, but he brought her back an album instead, because it had a beautiful woman on it, a lovely human mama.

NEWYORKER: A Tiny Feast