另外,

另外,

結果 (英文) 1:

They all play an important role in this event. For example, we need the police to maintain order for this event and carry out crowd control during the peak hours of the event. There must be an ambulance waiting at the event venue all day, if there are any participants. They can be assisted immediately if they need ambulance services.

結果 (英文) 2:

They all play an important role in the event, for example we need the police to maintain order for the event and crowd control during rush hour. Ambulances must be on full-time at the event venue and can be assisted immediately if they are found to be in need of ambulance services.

結果 (英文) 3:

They all play an important role in the event. For example, we need the police to maintain order for the event and control the crowd during the peak hours of the event. There must be ambulances waiting all day in the event venue. If we find any participants need ambulance service, we can provide them with assistance immediately.