几个（战略性）放置的摄像头覆盖了建筑的每个角落。

A few ___strategically placed cameras covered every corner of the building.

公园内（战略性）放置的大型垃圾桶有助于保持清洁。

Large waste bins ___strategically located throughout the park help keep it clean.

这位CEO（战略性）地推迟了产品发布，以避开直接竞争。

The CEO ___strategically delayed the product launch to avoid direct competition.