大多数车企在面对供应链时，扮演的是组装商的角色。博世的雷达、大陆的刹车、安道拓的座椅，每一级供应商都要在零件上切走一块利润。当这些零件最终汇集到整车工厂时，成本的底线已经被抬高了。
When they are being manufactured in a weightless environment, those atoms line up absolutely perfectly. The vacuum of space also means that contaminants can't sneak in.
，这一点在搜狗输入法2026中也有详细论述
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