She can be a parlor boarder again.

她可以再次成为客厅寄宿生。

Sara was to be what was known as " a parlor boarder, " and she was to enjoy even greater privileges than parlor boarders usually did.

萨拉将成为所谓的“客厅寄宿生”，她将享有比客厅寄宿生通常更多的特权。