1Exchange or interchange of goods, information, or services; mutual giving and receiving. Also used for substitution or replacement.
初対面のとき、彼と名刺を交換した。
When we first met, I exchanged business cards with him.
部品が古くなったので、新しいものと交換した。
The part had gotten old, so I replaced it with a new one.
意見交換の場を設けて、問題点を話し合った。
We held a forum for exchanging opinions and discussed the issues.
大学時代、海外の大学と交換留学プログラムに参加した。
During university, I took part in an exchange program with a school overseas.