这一评论是精明的，表现出实际的敏锐。

The remark is ___shrewd, showing practical acuity.

这位商人做出了精明的决定，以低价买入了这家有潜力的公司。

The businessman made a ___shrewd decision to buy the promising company at a low price.

她对市场趋势有着敏锐的判断，总能做出明智的投资决策。

Her ___shrewd judgment of market trends always leads to wise investment decisions.