make a difference
eg：But I do know what factors will make a difference.
make a living
eg：They travel , do business and make a living here honestly.
make a deal
eg:You're not going to get out of here unless we make a deal.
make a decision
eg:The analyst knows so much , he or she is in fact paralyzed and unable to make a decision.
make a call
eg:They told me to make a call to him right away.