What does "three pipes and five pipes" mean?

1, five management modes: discretionary management, assistance management, consultant management, investment shareholding management and franchising.

2. Five management modes: discretionary management, assistance management, consultant management, investment shareholding management and franchising.

3. Five types of special services: decoration design and construction supervision (decoration), public order maintenance (security), sanitation (cleaning), landscape greening maintenance (greening), daily operation and maintenance of public parts and public facilities (engineering), etc. In the specific work, according to the situation or customer needs, the above three "five" management modes,