因此，在进行编组的时候，需要将此零索引参数重命名为course。

So rename this zeroth index parameter to course when performing marshalling.

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沃尔玛通过与环保团体以及学者的合作，将产品的详细信息录入一个索引系统之中，并且希望该系统也可以被其他的零售商所采用。

Working with a group of environmental groups and academics, the firm will put the details into an indexing system which it hopes will be adopted by other retailers.

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正如我们这个月早些时候报道的那样，一些零售商已经将他们的预算从搜索引擎市场转移到电子邮件和社交网络营销上来。

As we reported earlier this month, some retailers have been shifting their budgets away from search-engine marketing and towards email and social marketing.

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