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English definition of “touch on/upon sth”

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touch on/upon sth

verb uk phrasal verb with touch   /tʌtʃ/ us  
to mention a subject quickly when speaking or writing about another subject: The talk was about educational opportunities for adults, and the speaker also touched upon sources of finance.
Translations of “touch on/upon sth”
in Chinese (Traditional) (說話或寫作時)簡略提到,觸及…
in Chinese (Simplified) (说话或写作时)简略提到,触及…
(Definition of touch on/upon sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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