Before in example sentence

The second is a population of students that studied using a standard lecture-based classroom, but with a mastery-based approach, so the students couldn't move on to the next topic before demonstrating mastery of the previous one.

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Before we jump in, here’s a personal story about why it’s sometimes hard to put a finger on how important project management approaches are.

Now we no longer had to wait days for feedback before shipping code to production.

That the work is not being shipped to production before the signoff is done.

Before the transition, the teams shipped once every few months.

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