And if there are multiple light sources, why does each object only cast one shadow?
而且如果说有多个光源的话，为什么每个物体只有一个影子呢？
Many people exist in the shadow, never entering the light, then, it is only a step between life and death.
很多人都看不到生命美好的一面，那时，活着和死亡就很接近。
Many people exist in the shadow, never entering the light, then, it is only a step between life and death.
很多人都看不到生命美好的一面，那时，活着和死亡就很接近。
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