Over on Maritime Community there was an article about Ship Spares In Transit and what the term means.

在海洋界，有一个条约是关于运输中的船用备件以及此条款的定义。

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He also remains convinced that the cost-saving ideas that first gave birth to the F-35 remain valid-commonality of spares, quick and easy replacement of components, advanced diagnostics and so on.

他也仍然确信，节约成本的想法(这也是F - 35得以问世的原因)依然合理——备件共用、零部件快捷更换和先进的诊断系统等等。

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If we have two such machines with equal ha profiles, then we need two spares, and so on.

如果我们拥有两台具有相同的HA配置文件的机器，那么我们需要两个空闲节点，依此类推。

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On the road, spares can even protect you from yourself, as in when you arrive at the hotel late and frazzled and fall asleep before remembering the nightly recharging ritual for cell phone and computer.

FORBES: Spare Batteries

Husain, who had a bypass operation 15 years ago but is otherwise strappingly healthy, spares no expense on self-promotion.

FORBES

He spares no expense on his bikes, his coaches, his teammates, his doctors and even a private jet that saves wear and tear.

FORBES: Can Landis Wreck Lance's Brand?