有一些变暖是自然发生的。随着上一个冰河时代的结束和冰的融化，我们已经经历了长达20，000年的变暖过程。

Part of the warming is natural; we have experienced a 20,000-year-long warming as the last ice age ended and the ice melted away.

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一个时代的结束是以另一个时代开始为前提的。

The end of an era presupposes the start of another.

《柯林斯英汉双解大词典》

而这次交易也标志这个南非矿业巨头辉煌时代的结束。

The deal marks the end of an era for South Africa’s foremost mining dynasty.

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