do's
n. 行为规范；（英）欢庆会；应该做的事（do 的复数形式）
例句
The do's and don'ts conveyed through gossip will never show up in any student handbook.
通过八卦传达的行为规范永远不会出现在任何学生手册中。
Do's and Don 'ts of On-Page SEO for Public relations?
页面seo公关有所为，有所不为。
Some preschool directors offered several do's and don 'ts.
几位幼儿园主管提出了一些注意事项。
