You could easily switch out database technologies, for example.
例如，可以轻松转换数据库技术。
It is fun to switch out your accessories for different seasons.
在不同的季节更换不同的饰品是很有趣的。
Please switch out all lights as you leave the house.
你离开房子时，请熄掉所有的电灯。
Please switch out all lights as you leave the building.
离开这所房子时，请把所有的灯都关上。
Please switch out all lights as you leave the building.
离开这所房子时，请把所有的灯都关上。
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