A phrase used to introduce a brief summary of a longer or more complex explanation; similar to "simply put" or "in short."
簡単に言うと、彼は仕事を辞めたいということです。
Simply put, he wants to quit his job.
複雑な話を簡単に言うと、要するに時間が足りない。
To put a complex story simply: in short, there's not enough time.
簡単に言うと、これは安全上の問題です。
Simply put, this is a safety issue.
会議で簡単に言うと、予算が足りないと報告した。
In the meeting I briefly reported that the budget is insufficient.