What's important is your overall satisfaction when it comes to ~
Your satisfaction is valuable when it comes to ~
いかに自分の満足度を高めるかが大切だは「What's important is your overall satisfaction when it comes to ~」といいます
ここの〜に例えば
What's important is your overall satisfaction when it comes to learning
What's important is your overall satisfaction when it comes to training
または
Your satisfaction is valuable when it comes to learning
Your satisfaction is valuable when it comes to training
ご利用いただいきありがとうございます。
またの質問をお待ちしております!
"What matters is how you can increase your own satisfaction."
「いかに自分の満足度を高めるかが大切だ」は、英語では
**what matters is how ~(大切なのは〜する方法だ)**
という形を使うと自然に表現できます。
まず基本の形は
"What matters is how you can increase your own satisfaction."
です。increase your satisfaction は「満足度を高める」という意味で、そのまま日本語に近い発想で使えます。