求翻译：Our partnership with the Department of Veterans Affairs (VA) has provided multiple avenues for acquiring service, case mix, and staffing required for enhancing provider currency. Direct sharing agreements, joint ventures and the Joint Incentive Fund have all proved to be outstanding venues. A great example is the DoD/VA Joint Inpatient Mental Health Unit at David Grant Medical Center, Travis AFB, Calif., that opened in 2009. The new $6.7 million joint psychiatric inpatient unit is the result of David Grant and the local VA medical center recognizing the need to increase psychiatric services for active duty personnel, veterans and their families.是什么意思？

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