Groupon knew, for example, exactly how much to invest in advertising in order to build a sizable subscriber list in a new market.
例如，Groupon清楚应该在广告上投入多少，才能在一座新城市培育一个数量足够的用户群。
Our subscriber list runs deep across different department and management levels to ensure that all the key decision makers are receiving our publications.
我们的订阅单也会分发到各个部门与不同级别的管理层，确保关键的决策人员都能了解并阅读到杂志。
Our subscriber list runs deep across different department and management levels to ensure that all the key decision makers are receiving our publications.
我们的订阅单也会分发到各个部门与不同级别的管理层，确保关键的决策人员都能了解并阅读到杂志。
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