爱思英语编者按:研究人员相信,烘培咖啡豆的香气可以安抚紧张的神经-而且只是一点点香气就可以缓解整夜失眠对大脑造成的影响。 A cup of freshly ground coffee is what it takes to get some people moving in the morning. But, according to a study, it