私人成本的英文：
private cost

private是什么意思：
adj. 私人的；不公开的；保密的；清静的；私营的
n. 士兵；列兵；私下，不公开

It's the private sector, stupid!
是私人部门出了问题，傻瓜！

Ignorance is mere privation.
无知是一种纯粹的贫乏。

And death is the privation of all awareness.
死亡是对所有意识的剥夺。

regional conference on the private sector
私营部门问题区域会议

The project is funded by private enterprise.
这项工程是由私人企业提供资金的。

cost是什么意思：
v. 花费；使付出；估价
n. 费用；代价；成本；损失

Cost was no consideration.
费用无关紧要。

The cost will be astronomical.
费用将是一笔天文数字。

These costs are charged to an asset account entitled organization costs.
这些成本被计入一个名为开办费的资产账户。

In this period, the cost would be enormous.
在这期间，就会损失惨重。

These chairs cost 40 each.
这些椅子每把价钱为40英镑。