The principle of equal-value exchange, which stresses equal value in exchange, is a common law in commercial and economic activities.
等价交换原则是商品经济活动领域通行的原则，强调交换的等价性。
How many monthly bills are you committed to? Are there any that are truly bringing equal value to your everyday life in exchange for how much you are paying?
你每月要支付多少账单？它们带给你生活的价值是否和你支付的价格相等？
Are there any that are truly bringing equal value to your everyday life in exchange for how much you are paying?
它们带给你生活的价值是否和你支付的价格相等？
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