original file sharing
原始文件共享
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The cross-platform FolderShare (original post) is more of a file syncing tool than it is a traditional file-sharing service.
跨平台的FolderShare已经超越了传统的文件共享服务的范畴，而更应该被看作是文件同步工具。
youdao
Dropbox has been increasingly expanding beyond its original file sharing service.
FORBES: Showing Broader Ambitions, Dropbox Acquires Mailbox
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