Instead, you can attach modules to any existing Ruby class.
相反，可以将模块附加到任何现有的ruby类。
The class knowledge is organized as four suppositional modules.
类知识分四个虚拟模块组织。
A consistent class and file name convention make these modules easy to spot and verify.
“类名和文件名保持一致”的约定使这些模块易于发现和验证。
A consistent class and file name convention make these modules easy to spot and verify.
“类名和文件名保持一致”的约定使这些模块易于发现和验证。
应用推荐