keep trying vs keep on trying?

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Originally Posted by JarekSteliga

What's wrong with ... non-negligible, which exists already?

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Does it? I've never heard it.

Quote:

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Originally Posted by bhaisahab

Does it? I've never heard it.

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Shame on you! It appears in one of the dictionaries here. OK, it does not appear in the other 128, but that's hardly an excuse.