在挑选资料时，最重要的考量便是它们与你自身需要的相关性以及你可能对其产生的兴趣。
The most important consideration when selecting materials is their relevance to your own needs and your likely interest in them.
如果您使用文字档做为资料来源，也必须考量资料来源的位置。
You must also consider the location of the data source if you are using a text file as a data source.
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