The symmetric differences between the two sets are the elements that are in one set or the other, but not in both.

The time differences between New York and Tokyo can be quite significant.

She makes a difference in the lives of others.

She made a difference in the lives of many children.

The difference makers on the team are the star players.

The difference-makers in our organization are the dedicated volunteers.

She is making a difference in her community by volunteering at the local food bank.

She is a difference maker in the team.

She is a difference-making leader in the company.

Her difference-making in the community has been recognized and appreciated.