该公司采用了一种新的营销策略来增加销售额。

The company adopted a new marketing ___tactic to increase sales.

研究古代战役中使用的战术对历史学家来说很有吸引力。

Studying the ___tactic used in ancient battles is fascinating for historians.

这支篮球队的防守战术被证明对他们的对手非常有效。

The basketball team's defensive ___tactic proved to be highly effective against their opponents.