You simply upgrade one disk then boot off it, and when you need to go back to the other version, simply boot off that disk instead.

只需升级一个磁盘，然后从它引导；当需要返回到另一个版本时，只需从另一个磁盘引导。

youdao

This means you can upgrade Eclipse and point it at your product extension folders by simply copying the links folder to the new Eclipse installation.

这意味着您可以通过简单地将 links 文件夹复制到新的 Eclipse 安装中，来升级 Eclipse 并使其指向您的产品扩展文件夹。

youdao

None of these technologies has barrier to entries for Google, so if any of them gets enough market share Google is simply going to roll out an upgrade.

没有一项技术对Google来说有进入壁垒，因此即使它们中有的能够获得足够的市场份额，Google也能简单地进行升级。

youdao

HD-DVD is less expensive to manufacture because firms can simply upgrade existing production lines.

ECONOMIST: Standards wars

Current T-Mobile customers on Classic or Value plans can simply upgrade their existing service by adding an Unlimited Nationwide 4G Data plan.

ENGADGET: T-Mobile launching 'truly unlimited' 4G data service add-on September 5th (Update)

And, the first 100 purchasers will get a free upgrade to a simply sybaritic suite with a bottle of wine, while the next 400 purchasers will receive the same room upgrade, sans vino.

BBC: Daily deal: Get away to Mexico