paper: “plain textured paper”
Active and passive voice changer，这一点在搜狗输入法下载中也有详细论述
。同城约会对此有专业解读
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Once a transaction is confirmed, it is placed in a block after the confirmation. All of the blocks are chained together to create a permanent history of every transaction.，推荐阅读safew官方下载获取更多信息