Summarizing what you've learned will help you consolidate your knowledge.
"学んだことをまとめることにで知識が定着する"
- Summarizing what you've learned will help you consolidate your knowledge.
- By summarizing what you have learned, it will help you to better retain your knowledge.
「学んだことを自分でまとめることで物事を深く理解し、知識の定着につながる」
- I think it's important to put together what you've learned so that you can understand things in depth and retain your knowledge.
- By summarizing and putting together what you have learned, it can help you to understand things in depth and retain your knowledge.
In order to really own your knowledge, it is helpful to summarize what one has learned.
This helps one to really understand the material.
ご質問ありがとうございます。
"In order to really own your knowledge,"＝「知識を本当に自分のものにするためには、」
"it is helpful to summarize what one has learned."＝「自分で学んだものをまとめるのが良い。」
"This helps one to really understand the material."＝「これにより、内容を本当に理解する助けになる。」
ご参考までに。
アメリカ合衆国 
