In a small bowl, COMBINE vinegar, oil, salt and sugar; MIX well.
ADD apple, onion and raisins; TOSS lightly to coat; COVER; let STAND for 10 minutes.
Just before serving, COMBINE spinach and romaine in a large serving bowl.
ADD dressing; TOSS.
Per Serving (excluding unknown items): 112 Calories; 7g Fat (52.7% calories from fat); 1g Protein; 13g Carbohydrate; 1g Dietary Fiber; 0mg Cholesterol; 149mg Sodium. Exchanges: 1/2 Vegetable; 1/2 Fruit; 1 1/2 Fat; 0 Other Carbohydrates.