他们还需要掌握数据库的概念或具有DBA的经验，以便在设计解决方案时能够理解源和目标数据库之间的蕴涵关系。

They also need to have knowledge of database concepts or DBA experience in order to understand the implications for the source and target database when designing this solution.

youdao

根据最近的经验，除了invokedynamic之外还需要稍微做一些行为上的扩展(method handles、autonomous methods等)。

Based on recent experience, what's needed beyond invokedynamic is probably some sort of lightweight behavioral extension (method handles, autonomous methods, etc.).

youdao

我会对这些人说，当然，我们在前进中还需要学习，但我们已经有了成功和失败的丰富经验，我们现有的知识已经足够我们立即开始实施了。

To those I would say, of course, we will learn more as we go along, but there is already strong evidence on what works and what does not. We know enough for implementation now.

youdao

And then for this stuff up here, it turns out and I know this is just from experience, this is called the Ncurses library.

对于这个程序,凭经验来讲，应该还需要一个Ncurses库。

哈佛公开课 - 计算机科学课程节选