<prompt> Translate the following text to EnglishGAO imeweza kufunga ofisi za shamba nchini Marekani na nje ya nchi - nyingi kwa njia ya kutoweka - na kufikia faida katika uzalishaji na mazingira ya kazi ya ushirikiano.  <response>: GAO has been able to close field offices both in the United States and overseas-much of it through attrition-and achieve gains in productivity and collaborative work environments. 