Hi, If I made abbreviations 'GR' from 'Green Road' which determines a green line in the figure and it also means, for example, a 'good road' and 'RR' = 'Red Road' = 'bad road'. Do I have to use them with 'the' all the time (or an example please)? If you are just writing in note form, not in sentences, you don't need 'the'.
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