Key points in this article
What the signals show
Open data suggests separation change came from layered factors, not a sudden event. One clear thread: clarify fuzzy boundaries early. Structural change reads more meaningfully than total volume, so separate noise from real signal before the price and the fee get confused in practice.
Regional differences
The same separation performs differently by region; base conditions, habits and pace rewrite results. One clear difference: written terms beat promises. Copying elsewhere costs more than expected, so proven ability wins over concept. A separation that is only spoken will collapse at the first billing dispute.
Stages need different focus
In Penglai, early stage checks feasibility, growth checks stability, maturity checks efficiency. One ruler misses the middle. We review at each stage end before moving on, keeping the next step calm and prepared. Inspection should follow the same staged logic the project itself follows.
Separation only holds if the fee side is also funded to operate. We check that the recurring cost is real and covered, because a price cut that strangles maintenance is no bargain for users.