对地震中幸存的人，之后的余波是一个令人终生难忘的事件。

For those surviving the earthquake, the aftermath was a dramatic life event.

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在今年年底，你将会发现这个组合创造了很多令人难忘的事件。

By the end of this year, you should see that this twosome deal has created quite a bit of impressive results.

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其根源可能是由于幼年环境，或是在晚年经历了痛苦而难忘的事件。

The roots of a depressive episode may lie in one's childhood environment, or in a traumatic event in later life.

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