Problem: Images are hard for search engines to index because computers find it difficult to identify their content.
问题:由于计算机很难分辨图片本身的内容,所以对于搜索引擎来说,进行图片索引是很困难的。
Half the problem for Internet search engines is locating the documents whose contents are to be indexed.
互联网搜索引擎有一半的问题在于定位其内容要被索引的文档。
What's the goal? Search for doable ways of solving that problem or reaching that goal.
找一个可能的方法去解决这个问题,或者实现这目标。
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