dos and don'ts，亦作do's and don'ts，

【解释】
该做的和不该做的事情；行为准则；规矩；守则；注意事项（rules about what you must do and what you must not do in a particular situation）

【例句】
In the back of the guide there's a list of the dos and don'ts of local etiquette.

在指南手册的背面列出了当地礼仪的注意事项(行为准则)。

For example, the New York State Department of Environmental Conservation lists some dos and don'ts of composting on its Web site.

例如，纽约州立环境保护部门在其网站上列举了制作堆肥的一些注意事项。

It's difficult traveling to new countries as it takes a while to learn all their cultural dos and don'ts.

去一个没去过的国家旅游是不容易的，因为要了解他们全部的风俗习惯很花时间。