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British pronunciation of 

proof of concept

view main entry for proof of concept noun  /ˌpruːf əv ˈkɒnsept/
British English pronunciation: proof of concept
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a rainbow produced when water droplets in the air reflect light from the moon rather than the sun

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Open Dictionary

platform capitalism

a way of doing business that involves recruiting large numbers of people who work for themselves using the company's platform, as used by companies such as Uber, Deliveroo and the like

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