touch on/uponsth
—phrasal verbwithtouchverbuk/tʌtʃ/us/tʌtʃ/
tomentionasubjectquicklywhenspeakingor writing about anothersubject
（说话或写作时）简略提到，触及
Thetalkwas abouteducationalopportunitiesforadults, and thespeakeralsotoucheduponsourcesoffinance.该报告谈的是成人的教育机会，报告人也提到了资金来源问题。