麻烦哪位高手释疑

NRWX123

SINGLE/DOUBLE OPEN JAWS/ROUND TRIPS/CIRCLE TRIPS NOT PERMITTED. ADD-ONS COMBINATIONS PERMITTED WITH ADD-ONS WITHIN AUSTRALIA. NOTE - PERMITTED WITH SPECIAL AUSTRALIAN ADDONS FOR CBR/HBA/LST/OOL ONLY. END-ON-END END-ON-END COMBINATIONS PERMITTED WITH NORMAL FARES WITHIN AREA 3. VALIDATE ALL FARE COMPONENTS. NOTE - SIDE TRIP COMBINATIONS PERMITTED WITH - NORMAL FARES WITHIN AREA 3 END-ON-END END-ON-END COMBINATIONS PERMITTED WITH DOMESTIC FARES. VALIDATE ALL FARE COMPONENTS. NOTE - SIDE TRIP COMBINATIONS PERMITTED WITH - DOMESTIC FARES PROVIDED ALL CONDITIONS ARE COMPLIED WITH