The clearest challenge for Customs would be to manage a workload that was growing rapidly and that could not be expected to taper off.
Customs will have to hire more laborers in order to keep up with the demand.
mnli hypothesis: Customs will have to hire more laborers in order to keep up with the demand. premise: The clearest challenge for Customs would be to manage a workload that was growing rapidly and that could not be expected to taper off.