一旦你理解了债务的数学计算，你就能解决它。

Once you understand the mathematics of debt you can work your way out of it.

《柯林斯英汉双解大词典》

一旦你理解了它，你就能更好地享受生活。

Once you understand it, you can enjoy your life better.

youdao

一旦你理解的问题的根本原因，你就需要排出优先级。

Once you understand the root causes, you need to prioritize them.

youdao

You're hiding something from yourself, and once you know what's going on to deeper phenomena your problems will go away.

这些冲突被你压抑起来，一旦你理解了更深层次的冲突究竟是什么,你的问题便会得到解决。

耶鲁公开课 - 心理学导论课程节选

Well in C and other languages that we'll see this semester, you use what's called the for loop, and this as syntax isn't quite as straightforward but once you know what to look for, it's very easy to understand.

在C语言和一些我们这学期将要接触的编程语言中，你将会用到所谓的for循环，也许作为一种语法规则，它看起来不是那么的通俗易懂,但是你一旦知道曲中奥妙，就不难理解了。

哈佛公开课 - 计算机科学课程节选