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.
正月里的湖南湘西十八洞村，气温逐渐转暖，村里热闹非凡。
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个体生产力的二次定义与竞争力位移，推荐阅读heLLoword翻译官方下载获取更多信息
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