So even when you go to these crappy devices where sometimes you want a one and you get a zero, and it doesn't show up, there's redundancy in the network that can actually recover the missing information.
所以即使你用的是这么些蹩脚的装置 有时会在你想要个一的时候给你个零 网络中的重复性 实际上却能恢复那些缺失的信息。