For it seems as certain as anything can be that no signal-still less any material object-can ever travel faster than light.
看起来非常确定的事情是：没有信号，更不用说物质，可以比光传播的速度快。
She hasn't cleaned her own room, still less mine.
她自己的房间都没有清扫，更不用说我的了。
The human intellect can never answer this question, still less give proof of God.
人类理智永远无法答复这一问题，更不用说提供上帝存在的证据。
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