49According to settled case-law, the system of protection introduced by Directive 93/13 is based on the idea that the consumer is in a weak position vis-à-vis the seller or supplier, as regards both his bargaining power and his level of knowledge. This leads to the consumer agreeing to terms drawn up in advance by the seller or supplier without being able to influence the content of those terms (see, in particular, judgment of 3 June 2010, Caja de Ahorros y Monte de Piedad de Madrid, C‑484/08, EU:C:2010:309, paragraph 27 and the case-law cited).
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