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。

youdao

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。

youdao

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。

youdao