blue law

blue-law的词性：
n.（名词）

1. A law designed to regulate Sunday activities, such as shopping in retail stores.
蓝色法规：管制星期日活动的法律，如管制零售店售卖活动的法律

2. One of a body of laws in colonial New England designed to enforce certain moral standards and particularly to prohibit specified forms of entertainment or recreation on Sundays.
蓝色法律：新英格兰殖民地法律的一部分，强行制定一些道德标准和禁止星期日各种形式的娱乐和消遣活动