acumen
[ˈakjʊmən əˈkjuːmən]noun
[mass noun]the ability to make good judgements and take quick decisions, typically in a particular domain
敏锐,聪明(尤指在某一领域判断力敏锐、决策敏锐)
business acumen.
商业头脑敏锐。
语源
late 16th cent.: from Latin, sharpness, point', from acuere 'sharpen' (see acute)