She works for a company that imports coffee from Brail.她在一家从巴西进口咖啡的公司工作.He is a blind man. The brail map is very helpful to him when he travels.他是个盲人, 触觉地图对他出行有很大帮助....
Societies need to develop highly adaptive behavioural rules for survival.社会需要发展具有高度适应性的生存行为规则。How these behavioural changes come about was, until recently, obscure.这些行为改变是如何产生的至今仍让人费解....emotional and behavioural problem...