问题描述：
英语翻译汉语,经济学原论里面的几句话之四.高分悬赏啊!
1. Total utility is the total amount of satisfaction expected from consuming an item or group of items.
2. Marginal utility is the addition to total utility from consuming one more unit of a good.
3. Consumers, in deciding among items, choose those items with the highest marginal utility per dollar.
4. An individual maximizes total utility by consuming all items so that the marginal utilities per dollar spent are equal.
5. Utility theory has been criticized on the grounds that utility is not measurable and that items consumed are not perfectly divisible as the theory of utility maximization requires. Despite these criticisms, utility theory is a useful tool for analyzing consumer behavior.
1. Total utility is the total amount of satisfaction expected from consuming an item or group of items.
2. Marginal utility is the addition to total utility from consuming one more unit of a good.
3. Consumers, in deciding among items, choose those items with the highest marginal utility per dollar.
4. An individual maximizes total utility by consuming all items so that the marginal utilities per dollar spent are equal.
5. Utility theory has been criticized on the grounds that utility is not measurable and that items consumed are not perfectly divisible as the theory of utility maximization requires. Despite these criticisms, utility theory is a useful tool for analyzing consumer behavior.
问题解答：
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