It's important to set conditions that minimize risks and ensure outcomes can be consistently replicated, not only by the person who achieved the result but by others as well.
こんにちは!
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
Even if the same person tries it again, achieving success once doesn't guarantee the same outcome next time. It's important to set conditions that minimize risks and ensure outcomes can be consistently replicated, not only by the person who achieved the result but by others as well.
とすると、『同じ人がやっても、一度上手くいったからといって、次回も同様の成果が得られるとは限らない。他の人でもある程度同様の結果が得られるよう、再現性を担保することが[重要](https://eikaiwa.dmm.com/uknow/questions/104189/)』となります。
参考になれば幸いです。