youdao
It was invented by Mozi over 2,000 years ago.
它是两千多年前由墨子发明的。
In the Warring States period, Mozi made the first kite in history out of wood.
战国时期，墨子用木头制作了历史上第一个风筝。
Do you have a backup for your backup, like maybe an inexpensive online service like Carbonite or Mozi just to make sure?
FORBES: What's More Disruptive? A Crashed Computer Or A Sick Employee?
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