a costa de

prep. at the expense of

= at the cost of, at the expense of, at + Nombre's + expense, at cost of
Ex: In contrast to higher specificity, higher exhaustivity increases precision at the cost of impaired recall. Ex: Uneven allocation will lead to some subjects having relatively short notation at the expense of others with relatively long notation. Ex: It is true that the newspapers sensationalized some of the Community's absurdities and gave prominence to the unpopular practice of disposing of surplus food at taxpayers' expense. Ex: Militarization could come at cost of regional stability.