at current costs meaning in Chinese

• 按现时费率计算

• current:    adj. 1.通用的，流行的。 2. ...
• cost:    n. 1.费用；代价，价格；成本。 ...
• current costs:    日常开支; 现价; 现行成本

Examples

1. At current costs it is uncertain whether the system will pay for itself within an acceptable period , though future uncertainties about water supply and demand may make such systems much more attractive
   按现行费率是否系统将在一个可接受的时期内为系统本身付费是不确定的，尽管将来对水供应与需求的不确定可以使这样的系统更有吸引力。