This is known as a PREMIUM sales promotion tactic.

这是一个常用的促销策略。

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Perhaps the most common tactic is simple self-promotion.

所有方法中最常见的战略莫过于简单的自我推销了。

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Sales promotion seems an effective tactic for them.

这样看来促销活动似乎是一个有效的策略。

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Sales promotion seems an effective tactic for them.

这样看来促销活动似乎是一个有效的策略。

youdao