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奥运会结束了,不过我们的奥运热情并没有因此而结束,还有许多的奥运秘密我们并不知晓,本期我们就了解一下北京为奥运会精心准备的安全网。
The Olympic Games is over, but our Olympic enthusiasm has not ended. There are many Olympic secrets that we are not aware of. In this issue, we have a look at Beijing's well-prepared safety net for the Olympics.