流动资本是他们的非现金流动资产和负债。当他们的收益增长迅速时，意味着他们在为这个行业食物链的其他部分提供资金，这样很容易耗尽现金。
When they grow rapidly in relation to revenues, it means you are financing other parts of the food chain in your industry and that's a great way to run out of cash.
原因是同样是你耗用了现金，来增加非流动资产，大部分是不动产、厂房及其他设备（比如服务器）。
The reason is your business used some of your cash to increase its Non-Current Assets, most likely Property, Plant, and Equipment (like servers).
基于部分盲签名和零知识证明，设计了一个同时具有匿名性和非否认的电子现金。
Based on the partial blind digital signature and zero-knowledge proof, ane-cash system with non-repudiation is constructed in the article.
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