67On the contrary, since the system of protection introduced by Directive 93/13 is based on the idea that consumers are in a position of weakness vis-à-vis sellers or suppliers, in particular as regards their level of knowledge, that requirement must be understood in a broad sense, namely as requiring not only that the term in question be grammatically intelligible to the consumer, but also that the contract set out transparently the specific functioning of the mechanism to which the term in question relates and, where appropriate, the relationship between that mechanism and the mechanism laid down by other terms, so that the consumer is capable of evaluating, on the basis of clear, intelligible criteria, the economic consequences for him which derive from it (see, to that effect, judgments of 30 April 2014, Kásler and Káslerné Rábai, C‑26/13, EU:C:2014:282, paragraphs 70 to 73; of 3 October 2019, Kiss and CIB Bank, C‑621/17, EU:C:2019:820, paragraph 37; and of 3 March 2020, Gómez del Moral Guasch, C‑125/18, EU:C:2020:138, paragraph 43).
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