无记名投票

例句：

1. 1.In the election, voters were given theoption to cast their ballots anonymously.
   在选举中，选民被给予了匿名投票的选择。
2. 2. The candidate's supporters used asecret ballot system to ensure fairness inthe voting process.
   候选人的支持者使用秘密投票系统来确保投票过程的公平性。
3. 3.The law prohibits the use of secretballots during elections to prevent fraud andensure transparency.
   法律禁止在选举中使用秘密投票，以防止欺诈并确保透明度。