事务通常是通过把一批更改积蓄起来、使之同时生效而实现的。 这样做的好处是可以大大提高这些更新的效率。

Transactions are typically implemented by "saving-up" your batch of changes to be applied all at once; this has the nice side effect of drastically improving the efficiency of those updates.

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动作(action)执行一些功能，如开始一批任务、传输一个文件、更新数据库或者调用J2EE应用。

An action performs some function such as starting a batch job, transferring a file, updating a database or calling into a J2EE application.

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我们曾经发表过一篇underhyped webapps，现在，我们重新审阅，并作出一些更新，加入一批新的网页应用程序以充当竞争者，提高竞争力。

We're revisiting and updating our favorite underhyped webapps to give a new crop of contenders their due.

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