注：从2.3版本以后保存变的更容易了，你所所要做的就是调用。

Note: as of version v2.3 we have made saving easier. All you need is the call the.

youdao

注：从2.3版本以后保存变的更容易了，你所所要做的就是调用。

Note: as of version v2.3 we have made saving easier. All you need is the call the.

youdao