sagaciousness

这位老族长的睿智让他在艰难谈判中备受尊敬。

The elder's ___sagaciousness earned him great respect during the tough negotiations.

她的聪敏体现在总能预见市场趋势的变化。

Her ___sagaciousness showed in how she always anticipated shifts in market trends.

他的睿智使他能够从复杂的法律文件中找出关键漏洞。

His ___sagaciousness enabled him to spot the crucial loophole in the complex legal document.