However and whenever war began, it has persisted and propagated itself with the terrifying tenacity of a beast attached to the neck of living prey, feeding on human effort and blood.

无论战争是如何产生的，是何时开始出现的，它如同趴在活生生的猎物脖子上的野兽，以其可怕的韧性支撑着自己，繁衍传播着自己，吸食着我们人类的汗水和血液。

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Tube feeding is essential to meet the nutritional needs of head and neck cancer patients as malnutrition can lead to a poorer prognosis for this patient group.

管灌可以满足头颈部癌症患者的基本营养需求，而营养不良的族群之预后较差。

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