You need to unblock this content by setting your broser.
ブラウザーはこの内容をブロックしないように設定してください。

INFO:
The Dropbox team workspace is a place where your team can organize, share, and collaborate on content. Admins can manage access and editing permissions to ensure the right team members are able to explore the content they need to. Everyone on your team can access the team space, and everyone sees the same folder structure. Watch this short video to learn the basics of team folders and team member folders in the shared workspace.