用“janitorial service”造句大全,janitorial service造句
Itwasnotuntilonenight,weweredoingourcleanupdetails(themilitarysavesmoneyonjanitorialservicesbyfarmingoutitsstudentstoindenturedservitude)thatIgotcurious.Theseincludeindirectmaterialsandindirectlabor--...