Estimates based on the opportunity costs of not felling, which will often make up the bulk of the total, suggest it can be done relatively cheaply.

基于不砍伐的机会成本(它将常常占到总成本的大部分)所得出的评估结果表明，人们可用相对较低的成本做到这一点。

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Finally, with the low required capital and transaction costs, an investor can get in and out of the market easily and cheaply.

第四、由于所需资本及交易费用低，以股价指数期货来进出股市是非常有弹性的。

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If young firms are to survive near-terminal mistakes, or fluctuating demand, they need to be able to reduce staff costs quickly and cheaply when necessary.

ECONOMIST: European entrepreneurs

So there is insufficient pressure to bring down costs and deliver savings products as cheaply as possible.

ECONOMIST: Saving

For issuers, demand for their debt has reduced borrowing costs, allowing them to finance growth more cheaply than in the past.

WSJ: Investors Snap Up Eastern Europe Debt