1N-UNCOUNT 机智；老练；精明 If someone has gumption, they are able to think what it would be sensible to do in a particular situation, and they do it. 机智；老练；精明 [informal]
Surely anyone with marketing gumption should be able to sell good books at any time of year.
无疑，有经营头脑的人在一年的任何时节都应该能够卖掉好书。
2N-UNCOUNT 勇气；胆量；魄力 If someone has the gumption to do something, they are brave enough to do it. 勇气；胆量；魄力
He suspected that deep down, she admired him for having the gumption to disagree with her.