living together; communal life; cohabitation
二人で共同生活を始めた。
The two of us started living together.
共同生活には互いの配慮が必要だ。
Living together requires consideration for each other.
留学中は他国の学生と共同生活を送り多くを学んだ。
During study abroad, I lived with students from other countries and learned a lot.