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One page from the official Laravel documentation that is worth explaining is the "Retrieving Single Model / Aggregates" page (https://laravel.com/docs/8.x/eloquent#retrieving-single-models-aggregates).

This page discusses different ways to retrieve a single model or an aggregate value using the Eloquent ORM in Laravel. The page covers three methods: `find()`, `findOrFail()`, and `firstOrFail()`. 

The `find()` method retrieves a record by its primary key, while the `findOrFail()` method does the same but throws an exception if no record is found. The `firstOrFail()` method retrieves the first record that matches the query and throws an exception if no record is found.

The page also covers retrieving aggregate values like `count`, `max`, `min`, and `avg`. These values can be retrieved using the `count()`, `max()`, `min()`, and `avg()` methods respectively. These methods can be called on a query builder instance or a relationship.

Overall, this page provides a useful reference for Laravel developers who need to retrieve single models or aggregate values using Eloquent ORM.
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