They saved enough money to buy return tickets in case Dad was unsuccessful in acquiring a job, since only those with work permits were allowed to reside in that territory.
Nad panid edasi - tagasi pileti jaoks tallele piisavalt raha, juhuks, kui isal ei õnnestu töökohta leida, kuna sellele territooriumile võisid elama jääda ainult need, kellel on tööluba.