他进一步解释称，这一判断的核心逻辑在于：
Why am I writing this today?
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London has the highest number of rough sleepers -1,277 - but the rate of rough sleeping rose steepest year-on-year in the north east of England, where numbers increased by 31% to 162.
但真正的问题是，理想模型往往建立在需求高峰与利用率饱和的假设之上。而真实世界中的利用率，从来不会长期维持在高位。