这位精明的政治家总是做出战略决策以获得优势。

The ___shrewd politician always makes strategic decisions to gain an advantage.

他们精明的商业计划使他们能够超越竞争对手。

Their ___shrewd business plan allowed them to outperform competitors.

这是一笔精明的投资，随着时间的推移带来了可观的回报。

It was a ___shrewd investment that yielded significant returns over time.