This feature lets you easily move between versions as needed; for example, to roll back should a deployment go badly.

这个特性允许您根据需要在版本间轻松移动；例如，在一个部署出现问题时回滚到上一版本。

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A pizzeria in Las Vegas lets customers roll the dough.

拉斯维加斯的一家比萨店让顾客自己动手和面团。

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Jan: Lets turn off the air conditioner and roll down the Windows. The country air is so fresh and clean.

简：我们关掉冷气，把玻璃摇下来吧。乡下空气既新鲜又干净。

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And it also lets us tailor the game for the European market, gauge their reception to the game and to ensure that our infrastructure can support a large-scale MMO roll-out in Europe.

同时也让我们为欧洲市场定制游戏，评估游戏的接受程度，确保我们的架构能够支持在欧洲大规模的展开。

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And it also lets us tailor the game for the European market, gauge their reception to the game and to ensure that our infrastructure can support a large-scale MMO roll-out in Europe.

同时也让我们为欧洲市场定制游戏，评估游戏的接受程度，确保我们的架构能够支持在欧洲大规模的展开。

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