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English definition of “be worth your/its weight in gold”

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be worth your/its weight in gold

to be very useful or helpful: This recipe book is worth its weight in gold - it tells you everything you need to know about cookery. Boys who can sing like that are worth their weight in gold to the choir.
Translations of “be worth your/its weight in gold”
in Chinese (Traditional) 非常有用, 很有幫助…
in Chinese (Simplified) 非常有用, 很有帮助…
(Definition of be worth your/its weight in gold from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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