[mass noun]a person's livelihood or main source of income, typically as earned by routine work 谋生之道,生计;主要的收入来源 their bread and butter is reporting local events. 他们靠报导当地新闻谋生。 [as modifier]bread-and-butter occupations. 赖以谋生的职业。 ■an everyday or ordinary person or thing 平凡的人(或事) the bread and butter of non-League soccer. 普通的业余足球运动员。