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the proof of the pudding is in the eating означает в русский

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the proof of the pudding is in the eating (the only real test of something is as what it is intended to be used for)
phrase
[UK: ðə pruːf əv ðə ˈpʊd.ɪŋ ɪz ɪn ðə ˈiːt.ɪŋ]
[US: ðə ˈpruːf əv ðə ˈpʊd.ɪŋ ˈɪz ɪn ðə ˈiːt.ɪŋ]

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