Sender block:
Abs. Schütze Schohr, 107. Division, Feld-
Art.Reg. 213, Geb.M.G.Abt. 228.
Addressee block:
An [To]
Karl Plutz
Fuhrunternehmer [= haulier, probably a carter in those days]
Kaiser-wielhelmstr. 7
Bensheim an der Bergstraße
The message:
Monkbg. d. 1.11.15 [poss. Monkberg, a mountain in the Schwäbische Alb, south of Tübingen]
Viele Grüße sendet Euch
[?Adolf/Ralf] Schohr
The next bit is a little rhyme:
Wenig weile, große Eule [=Eile]
drum nur Gruß mit einer
Zeile
"Not much time, great haste, so only a one-line greeting"
The last line says why, but I can't make it out:
den[=denn] wir müssen [?sieben]
"because we have to ..." something! Apart from the number seven, sieben means sieve/grade/select, so maybe some sort of selection/passing-out process was imminent. Or it could be that the message was continued on another card, in which case we'll never know.
I know nothing of Gebirgs-MG-Abteilungen, but I've read that 107th Division was already in Serbia in November 1915. Perhaps these men were detached from FAR 213 and sent back to Germany for MG training.