sapopularbeliefthata的精选

问题详情：     It’sapopularbeliefthatafish’smemorylastsforonlysevenseconds.Itmayseemsadtothinkthattheydon’trememberwhatthey’veeatenorwherethey’vebeen,andtheydon’trecognizeyouoranyoftheirfrien...