Tuning the number of servers to start and keep spare depends on the role of the server.

根据服务器的角色调优要启动和保持空闲的服务器数量。

youdao

We keep spare clothes and sick bags (as well as games and books) in the hand luggage, but when we can we take the train, boat or plane instead.

这时我们常带上一些保暖衣物，呕吐袋(像游戏机和书本一样重要)在我们的包包里，但是当坐火车，船，飞机时就不需要这样了。

youdao

We keep spare clothes and sick bags (as well as games and books) in the hand luggage, but when we can, we take the train, boat or plane instead.

我们在手提行李里多带些衣服、清洁袋（还有游戏和书），但可以的话，我们会乘火车、船、或者飞机代替。

youdao

So suppose,gruesome as it was,this weekend I'm in some horrible accident and my torso gets destroyed and they keep my brain on life support, oxygenating it just long enough to do some radical surgery into some spare torsos.

来做个可怕的假设，我在周末惨遭事故,肉体完全损坏，只剩大脑靠系统维持生命，持续补氧到能被高超手术植入另外的身体。

耶鲁公开课 - 死亡课程节选

Single parents who keep spare rooms so they can have access rights to their children at weekends could fall foul of the under-occupancy rule he said.

BBC: Carl Sargeant: Housing benefit change 'complete madness'

So three hours at the minimum wage would pay the shortfall then he can keep the spare bedroom and have someone to stay.

BBC: Steve Webb

The laser works everywhere, all the time, quickly and on every course, and the battery last a really long time, but I keep a tiny spare in my bag.

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