"It is thought that, by 2020, there will be more electric cars on the road than petrol and diesel cars."
Should "by 2020" be a parenthetical phrase, or is it wrong to have it like this? It looks nicer to me, and I'm sure I've seen many other writers put dates and time frames as non-essential information. But as far as meaning goes, in this example, I think essential to the sentence.
Top answer
You need to delete the comma. Then it will be fine.
— Clive
You need to delete the comma.
Then it will be fine.
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