expression, noun
couple with a large age gap
Refers to a romantic couple where the partners have a significant age difference. The phrase is neutral and commonly used in media and everyday conversation.
あの年の差カップルは、見た目は親子みたいだけど、本当に仲がいいね。
That couple with a big age gap looks like parent and child, but they really get along well.
最近、年の差カップルが増えているらしい。
Apparently, couples with a large age difference have been increasing lately.