He raised his voice to emphasize that point.

He devoted his life to pursuing a utopia.

We are participating in mutual aid activities in our community.

We should cooperate for mutual benefit.

We work in the spirit of thriving together.

It is important for us to share information.

We need to share information.

This event will be co-hosted in Tokyo and Osaka.

We have decided to co-host the international conference next year.

They conspired to rob the bank.