So small point or spot lights are very cheap to render.
微小的点光源和聚光灯光源非常容易渲染。
Many spot lights towards a central point on a piece of white paper.
众多的聚光灯都照向一张白纸的中心点。
Utility power available for electrical hand tools and spot-lights.
公共设施电力有：手动电工具和现场照明。
Spot check rooms and see what lights are left on - you will be surprised.
抽查客房，看到哪些灯还亮着时，你会惊讶的。
Spot check rooms and see what lights are left on - you will be surprised.
抽查客房，看到哪些灯还亮着时，你会惊讶的。
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