Transactions within a document are cheap, and the cost of storage is relatively cheap as well.

事务在一个文档是便宜和存储的成本也相对便宜。

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The removal of dams remains controversial because of high restoration costs, loss of low-cost electricity, and the loss of water storage facilities.

大坝的拆除仍然存在争议，因为高重建成本，损失低成本电力，以及损失蓄水设施。

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This includes the cost of purchasing storage, the cost of powering it, the cost of repairing it (when drives fail), as well as the cost of managing the storage.

这包括购置存储的成本、驱动存储的成本、修复存储的成本(当驱动器出现故障时)以及管理存储的成本。

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They passed laws to limit the cost of railroad transportation and crop storage.

VOA: special.2010.04.15

Until the last few years, they have been stymied by the cost of storage, slower processing speeds and the flood of data itself, spread sloppily across scores of different databases inside one company.

WSJ: Data Analytics: So, What's Your Algorithm?

This means that the cost of conversion plus the cost of storage will have to be similar to the cost of providing energy on demand from the energy stored in chemical or nuclear fuels.

FORBES: Storage, Not Generation, is the Challenge to Renewable Energy

Only after the cost of generation and storage of renewable energy matches the cost of on-demand generation from fossil, nuclear and hydro we will we see a transformation of the energy industry.

FORBES: Storage, Not Generation, is the Challenge to Renewable Energy