Eloquent Modelのattributesとoriginの違い

"更新した後のDBにある$user"

App\Models\User^ {#1129
  #guarded: array:1 [
    0 => "id"
  ]
  #hidden: array:1 [
    0 => "password"
  ]
  -url: null
  #connection: "mysql"
  #table: null
  #primaryKey: "id"
  #keyType: "int"
  +incrementing: true
  #with: []
  #withCount: []
  +preventsLazyLoading: false
  #perPage: 15
  +exists: true
  +wasRecentlyCreated: true
  #escapeWhenCastingToString: false
  #attributes: array:6 [
    "username" => "DRY1QOHn2wXoaDcxUUbB"
    "email" => "updated@noel.com"
    "password" => "$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi"
    "updated_at" => "2022-02-21 10:47:20"
    "created_at" => "2022-02-21 10:47:20"
    "id" => 8
  ]
  #original: array:6 [
    "username" => "DRY1QOHn2wXoaDcxUUbB"
    "email" => "create@example.com"
    "password" => "$2y$10$92IXUNpkjO0rOQ5byMi.Ye4oKoEa3Ro9llC/.og/at2.uheWG/igi"
    "updated_at" => "2022-02-21 10:47:20"
    "created_at" => "2022-02-21 10:47:20"
    "id" => 8
  ]