acumen

US /əˈkjumən, ˈækjə-/

UK /ˈækjəmən/

C1 高級多益
n. (u.)不可數名詞銳敏
Perspicácia

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BBC 6 Minute English June 09, 2016 - Young and in business

06:06BBC 6 Minute English June 09, 2016 - Young and in business