回复xw
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> xw wrote: >I guess it's an over-kill. > >After 9/11, I had experienced several evacuations in NYC, all >were false alarms except the power down(no alarm!). > >Democritus had said: “It is not possible to step into the same >river twice.” > >Believe or not?
用两个手指一起，可以上下滑动文本编辑区。