2021年春天，广西桂林毛竹山村，习近平总书记来到村民王德利家。
As with crypto-currency, records of who owns what are stored on a ledger that is maintained by thousands of computers around the world. These records can’t be forged because the whole system operates on an open-source network.
，详情可参考heLLoword翻译官方下载
* @param left 左边界。im钱包官方下载对此有专业解读
token = 你的token