Either-or

It's a matter of either-or.

Source: tatoeba (1064974)

It's not an either-or situation.

Source: tatoeba (1064990)

It isn't an either-or situation.

Source: tatoeba (7198687)

“There’s a misperception out there that if some women are succeeding, that if many women are succeeding, it’s at the detriment of men,” he said. “When we support women, as men, it’s a good thing. The more women that succeed, there’s benefits to families, benefits to the economy, and benefits to our country. It’s not an either/or.”

Source: wiktionary