expertise

英 /ˌekspɜːˈtiːz/米 /ˌekspɜːrˈtiːz/

意味

noun

専門知識；特技

expert knowledge or skill in a particular subject, activity or job

“professional/scientific/technical, etc. expertise”

LingoTube レッスンの実際の字幕から

“Nobody has a clue, despite all the expertise that's been on parade for the past four days, what the world will look like in five years' time.”

TED / YouTube の精読レッスンを見て、単語をタップ、間隔反復で復習。