求Blue-law的详细内容及解释

blue laws 蓝色法规

原来是美国殖民时期的清教徒所订的法律，禁止在星期天跳舞、喝酒等，以后转用为有关个人行为的严格规定，如禁止公务员涉足酒家、舞厅、夜总会、或不该接受款宴等等：

来源：

A blue law， thus called because it was supposedly written on blue paper when first enacted by Puritan（清教徒） colonies in the 17th century， prohibits selling of certain types of merchandise， or retail or business activity of any kind， on certain days of the week （usually Sunday？）。 In Texas， for example， blue laws prohibited selling housewares such as pots， pans， and washing machines on Sunday， until 1985. Many southern states prohibit selling alcohol on Sunday.

（There is no actual evidence for the printing of these laws on blue paper； Connecticut is widely believed to have done so， but the surviving documents are on the same paper as other state laws， and there is no contemporary mention of blue paper. Nonetheless， the name is short and clear， and unlikely to change.）

Likely， all blue law stems from the first such statute set