+// TODO: translate the following strings.
+// 'title.predefined_expenses' => 'Predefined Expenses',
+// 'title.add_predefined_expense' => 'Adding Predefined Expense',
+// 'title.edit_predefined_expense' => 'Editing Predefined Expense',
+// 'title.delete_predefined_expense' => 'Deleting Predefined Expense',