Omniscience is impossible, but we be ready at all times, constantly studied.
无所不知是不可能，但我们应该时刻准备着，不断地进修学习。
Therefore, constantly improving the ray-tracing method has always been the human's studied hot spot.
所以不断改进射线追踪方法一直是人们的研究热点。
Therefore, constantly improving the ray-tracing method has always been the human's studied hot spot.
所以不断改进射线追踪方法一直是人们的研究热点。
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