25 February

  • Korean
  • English (US)
  • English (UK)
  • Japanese
Question about English (US)

How do I know whether a word is formal or not? The dictionary says the phrase 'a multitude of'is formal, but I've heard many youtubers use the term.
It's so difficult for me to discriminate them..
Could you give me some tips?😭🥺

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  • English (US)

  • English (US)
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