Some can plunge into severe, lengthy, and even life-threatening bouts of depression.

很多人陷入了严重的，漫长的，甚至是影响终身的病痛之中。

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Orbital Orbital tumor benign and malignant tumors can be divided into two major categories, even life-threatening cancer.

眼窝肿瘤眼窝瘤可分良性及恶性两大类，恶性肿瘤甚至有生命危险。

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While there are some scenarios in which failure is potentially devastating, or perhaps even life-threatening, most of the time it isn't.

有一些实例，失败是潜在性的灾难，或可能是威胁生命的，但大多数时候不是这样。

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When needs seem most urgent even life-threatening the practice of slowing down offers calm and clarity.

NPR: The Practice of Slowing Down

Throw rocky roads, tough competition, and even life-threatening illness his way, and the Apple chief executive is still going to come out on top.

FORBES: October's Top-Ranked CEOs

Thus, in addition to a wide range of other side effects, adverse events for MS drugs include the possibility of serious and even life-threatening infections.

FORBES: The Data On Drugs' Side Effects Must Be Reliable