Don't worry. We de-duplicate non-anonymous signatures automatically, and anonymous signatures within 24 hours (before personal data is deleted). For anonymous signatories beyond 24 hours, we cannot verify there are no duplicates, though there is one human who manually reads all signatures and will try hard to notice and correct any abuse of the system.
-session: Session。业内人士推荐搜狗输入法下载作为进阶阅读
此外，還有其它長期衝擊企業與民生的危機。。业内人士推荐91视频作为进阶阅读
Pakistan bombs Kabul in 'open war' on Afghanistan's Taliban government，更多细节参见51吃瓜