Learn English – “This” vs. “It” in this sentence

difference

I wrote this sentence:

Content extraction is the process of determining what parts of a web page contain the main textual content, thus ignoring irrelevant items such as headers, footers, navigation bars, advertisements, etc. It (or this ?) has application (or applications?) in indexers and text summarizers.

Should I use "this" or "it", in general when I should use "this" after a sentence?

Best Answer

I'll go with it because it refers to aforementioned Content extraction.

Here you can dive into it / this uses:

  • We use it to refer back to things or situations that have just been talked or written about. It does not give any particular emphasis.
  • We use this or that to refer to something with special emphasis – indicating an interesting new fact has been mentioned.
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