邮寄的选票失去身份检查,所以很难防备:
6 ways mail-in ballots are protected from fraud
https://theconversation.com/6-ways-mail-in-ballots-are-protected-from-fraud-145666
邮寄的选票失去身份检查,所以很难防备:
6 ways mail-in ballots are protected from fraud
https://theconversation.com/6-ways-mail-in-ballots-are-protected-from-fraud-145666