A user experience designer could help to improve a person's experience with just about anything—adoorknob, 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 adoorknob to the giant bolts that light up Jupiter's turbulent atmosphere, could be considered lightning, he said.