这些文件通常包含并非必要的多余代码。
Very often these files contain more code than is actually necessary.
您不必写这些冗余的代码和管理多余的工作。
You needn't write the redundant code and manage the extra work.
当你部署应用时，你并不需要上传任何附加文件——没有任何多余到模板、工具或代码库。
When you come to deploy your applications there are absolutely no additional files - no extra templates, tools or code libraries - that you have to upload.
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