Single up-front的意思|示意

The event-driven approach is beneficial because it reduces the amount of work that must be done up front, in a single method, to prepare for the rendering of the view.

事件驱动方法的优点是可以减少单个方法在呈现视图时需要预先做的工作。

To test howserious the readers were, the paper ran a Sunday front page headlineand a story about diabetes -- single copy sales went up 7 percent, "says Ms Sease.

为测试读者对此的态度到底有多严肃，该报在周日的头版头条上刊登了一篇关于糖尿病的文章—— 结果当天零售额提高了7%”，Sease说。

On top of that, a really strong defence-line has been built up in front of every single key point south of Tsinan.

而且济南以下，节节军事重要地点都建筑了很坚固的防御工程。

Then, in a vast desert of children, a single boy in the front row stands up and shouts something to another boy a dozen rows away, perhaps reminding him of something important to do after the show.

还有，在如同一片沙漠般毫无生气的儿童方阵中，可以看到前排的一个男孩站起来，对十几排开外的孩子喊着什么，可能是提醒他表演结束之后有什么要紧的事要做。