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

一旦你理解了债务的数学计算，你就能解决它。

《柯林斯英汉双解大词典》

Once you understand these advantages, you'll have more motivation to step onto your yoga mat.

一旦你了解了这些好处，你就会更有动力走到你的瑜伽垫上。

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

一旦你理解了它，你就能更好地享受生活。

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These are stupid questions, because once you understand what they're asking, the answer is just built in. It follows trivially.

这是些很愚蠢的问题,因为一旦你明白了他们的问题,答案就在其中,一切简单明了

耶鲁公开课 - 死亡课程节选

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

Once you understand a few basic elements of the model, the reason for this seeming inevitability becomes apparent.

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Once you understand the enormity of the errors, you wonder how the world economy manages to go on at all.

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Once you understand that reporters require these structural elements in their stories, it becomes incredibly easy to craft the exact quotes you want.

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