视界问题和平直性问题从而获得简单而自然的解释。
The horizon and flatness problems may thus be explained in a simple and natural way.
问题是，只有曾穿过黑洞视界的临界才会存在稳定轨道，那里时间与空间会流入其他地方。
The problem is that these stable orbits would only exist once you have crossed the threshold of the event horizon, where time and space flow into one another.
但在实践中，这种张力完全平衡是不可能的，因而存在一个张力度的问题，相应的，文本与译者两种视界的融合也存在一个度的问题。
Since the balance of this tension is not feasible in practice, the fusion of the two horizons has a variety of degrees.
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