Exchange or interchange of goods, information, or services; mutual giving and receiving. Also used for substitution or replacement.
名刺を交換して、お互いの連絡先を交換した。
We exchanged business cards and shared contact details.
部品の故障で、急遽交換が必要になった。
Due to a broken part, an urgent replacement was necessary.
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.