pointではなくkeyを使う
[名]key: something that is necessary in order to do or achieve somesing.
[形]key: extremely important, essential, crucial
日本語のポイントは英語のpointの「点」にあたる。
Ex
- Having enthusiasm is a most important key to success.
Reference source
- https://msdiaryjp.blogspot.com/2016/05/point.html