(cont.)
similar expansion, performance, and likely cost (assuming blobber pricing is similar), but EC (20, 40) will have orders of magnitude better availability and durability.
(5/5)
（续）
类似的扩展、性能和可能的成本（假设blobber的定价类似），但EC（20,40）的可用性和耐用性将提高几个数量级。
(5/5)