Enable to share the current document with other users. Disable to use the document unshared. This will invalidate the not yet saved edits that other users applied in the time since you last opened or saved this document.
启用该选项将和其他用户共享当前文档。禁用则以非共享模式使用文档。这会使自从您上次打开或保存文档后，由其他用户所做的尚未保存的编辑内容无效。