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.
Stateful 4-bit colors，这一点在同城约会中也有详细论述
。关于这个话题，51吃瓜提供了深入分析
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Message patterns can also be refined using #with: message: