"It is very much to our mutual benefit that they both take place at the same time," he said.
"Perhaps we can work together to our mutual benefit in the near future."
If we don't do it, somebody else may, and not for mutual benefit, either.
Rather, they are both created for the mutual benefit of each other.
"And if last night is any example, it might be to our mutual benefit to stick together."
He could meet the creatures on their own terms, perhaps to mutual benefit.
Understand that I am asking you for our mutual benefit.
This is extremely important, for the mutual benefits are very great.
We are clear that the agreement is a matter of mutual benefit.
Now, consider what mutual benefit our eyes have brought each other.