Here is another example of using a dash to expand on the last point in a sentence.
This pattern can be called “taking it to another level”.
I was almost 15 and experiencing all the intense, confusing feelings that overwhelm any teenage girl at that age—let alone one made to move to a new country.
It was a big balloon—bigger than a house.
She had won the race by a mile—and faster than anyone else in history.
They spent months working on the game and in the end it turned out to be way too expensive—not to mention completely unplayable.
Before you go to the next page!
Read the examples above and imagine what the sentences would be like if you swapped the em dash for a comma. They would still work, but they wouldn’t have the same emphasis.
