Before we can run the program, we have to create the text search collection and update the data.

在我们运行这个程序之前，必须先创建文本搜索collection并更新数据。

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The search and service components provide a universal starting point for data collection, problem diagnosis, and documentation relevant to the problem.

搜索和服务组件为数据收集、问题诊断和对问题进行相关信息记录提供了统一的起点。

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You may want to consider storing your data in a single collection to allow a single search to be performed rather than introduce the complexity of combining multiple searches from multiple searches.

你可能要考虑在一个单一的集合，允许一个单一的搜索被执行而不是介绍组合来自多个搜索多个搜索复杂性存储你的数据。

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Kurt Opsahl of the Electronic Frontier Foundation argues that it is: Because of the company's unprecedented dominance of the search industry and its massive data collection, he says that a little evil from Google goes a long way.

FORBES: More Evil Than Google?

He added that it had decided to act now in order to add turn-by-turn directions to its offering without having to concede extra branding rights or permission for further data collection to the search giant.

BBC: Apple apologises for Maps switch 'frustration'

It is interesting to note that you are encouraged to sign in with your Google account when you install the app - the search firm is keen both to reinforce its relationship with users and to improve its data collection.

BBC: Google, Flickr - and the app wars