求翻译：当下很多教学网站面临一种共性问题，比如开发速度慢，开发中没有章节，到最后随着模块的增加会越来越难添加内容。是什么意思？

Present a common problems faced by many teaching websites, such as slow development, there is no chapter in the development, in the end will become increasingly difficult with increasing module to add content.

Today many of our educational Web site facing a common problems, such as development is slow, and there was no chapter in the development, to final as the module will be increasingly difficult to add more content.

The very many teaching website faced with one kind of general character question, for instance the development speed is slow immediately, in the development does not have the chapter, to finally can more and more difficult increase the content along with the module increase.

Now facing a common problem of many education website, such as slow development, development does not have chapters, to modules for expansion will make it increasingly difficult to add content.

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