绝望之下，城市开发者们开始在内华达山脉东边的欧文斯谷大肆抢购土地权和用水权。
Out of desperation, city engineers began buying up land and water rights in the Owens Valley, east of the Sierra Nevada.
注：上海昂立稚慧谷保留对以上数据的解释权。
Remark: Shanghai Only Education Group reserves the right to interpret all figures above.
论文利用公平电子现金的思想，在谷利则等人的盲代理签名方案的基础上提出了一个可撤销匿名、可回收代理签名权的代理签名方案。
This scheme meets the requirement of blind proxy signature, while the third party is easy to revoke a supposed signature and cancel the right of a supposed signer.
如果您所在的城市已经有了昂立稚慧谷的幼儿产品代理，那么您可以提出申请高一级别的代理权限，但原有的代理商享有优先升级权。
Applying for a higher level is recommended if there is agent or dealer of the Only Education Group in your city. However, all agents have a higher priority in agent level upgrade.
如果您所在的城市已经有了昂立稚慧谷的幼儿产品代理，那么您可以提出申请高一级别的代理权限，但原有的代理商享有优先升级权。
Applying for a higher level is recommended if there is agent or dealer of the Only Education Group in your city. However, all agents have a higher priority in agent level upgrade.
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