preserve_everything:
“功成不必在我，功成必定有我。”
，更多细节参见一键获取谷歌浏览器下载
-conn: Connection
This 1TB of space lets you secure 250,000 12MP photos, 500 hours of HD video, or 6.5 million PDF files for good. If you’re already using another service, you can easily connect an existing account and transfer your files over from Dropbox, Google Drive, Amazon, OneDrive, and more.