当你使用电脑或智能手机工作时，每15分钟休息一下是个好主意。
It is a good idea to take a break every 15 minutes, when you are working at a computer or using a smartphone.
因为这些程序只会在你不积极使用电脑的时候运作，所以当你试图处理日常事务的时候，你就不应再担心程序的运行问题。
Because the programs only kick in when you're not actively using your computer, you shouldn't have to worry about performance issues while trying to go about your normal routine.
以下这些新方案中的每一个都开发了一种分布式的应用。你可以将它安装到你的电脑上，当你不使用电脑的时候，它会被使用以促成项目。
Each of the following initiatives has developed a distributed app you can install on your machine that, when not in use, can be used to contribute to the projects.
通常当你打开电子邮件帐户的时候(有时在打开某个网站时)或者当你在使用电脑时，我们说你要log on /登录。
Usually when you open an e-mail account (and also on some websites) or you work on a computer, we say you log on / log on, e.g.
我还希望你能学会挖泥巴和读书；而当你学会使用电脑时。
I hope you learn to dig in the dirt and read books, and when you learn to use computers.
我还希望你能学会挖泥巴和读书；而当你学会使用电脑时。
I hope you learn to dig in the dirt and read books, and when you learn to use computers.
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