Along with this, its large cost makes it undesirable.
同时,高额造价让人对其失望。
It may have also come at a large cost to American jobs and wages.
但这种形势也许是以美国人丧失工作和薪资为惨重代价的。
These providers are wearing a very large cost base per customer, but getting very little revenue in return.
这些供应商承担的单位用户成本基数太大,收入太少。
Wal-Mart is a group of large stores known for selling goods at a very low cost.
VOA: special.2009.07.17
So, even if the cost is small, $10 a dose, it quickly amounts to a large amount of money.
因此,即使单只成本很小,可能只有十美元,但是这很快就会累积成为很大的金额
So, the optimal thing to do if you live in a world like this n is to get n as large possible and you can reduce the standard deviation of the portfolio very much and there's no cost in terms of expected return.
如果现实中也这样简单的话,那么你就尽量增大,这样就能让投资组合的标准差,就会大大降低,从预期收益率的角度来看,这样做的成本是零。
应用推荐