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。
of roughly a decade, IBM reentered the ATM market by forming a joint venture
A spokesperson for Aston Martin said US tariffs had been "extremely disruptive" and demand had also been "extremely subdued" in China, the world's biggest auto market.
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