有时候旅行将是会是一场没有硝烟的战争，你不得不为自己和你的财产而战争，你会感到非常的疲劳，极度的孤独，虚弱，思念家人。

Sometimes traveling is like a war, you have to defend for yourself and your belongings will feel tired, exhausted lonely, weak and miss your family.

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在战争年代，兵们遭受睡眠的剥夺，在战斗疲劳症的情况下继续行军是很正常的。

For example, in times of war, it is not unusual for soldiers suffering from sleep deprivation and from combat fatigue to continue to march, despite the fact that their brains have halted.

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