One difference is the cost of administering the system .

一个区别是系统的管理成本。

This means those administering the treatment will know with precision when to continue and when to stop .

这就意味着管理治疗将会很准确的知道什么时候继续什么时候停止。

But if you 're administering drugsin a hospital , such a slip can be deadly .

但是，如果你在医院里管理药品，这种差错就是致命的。

Sufficiently to allow the weak and corrupt government of president hamid karzai to start administering areas they now control .

以方便hamidkarzai总统领导的弱势且腐败的政府开始有效管理他们控制的地区。

Why should developing countries that have difficulties in administering direct taxes , and so rely more on land and consumption taxes , not have low income taxes ?

那些在管理直接税收方面有困难，因而更多依赖于土地和消费税的发展中国家，为什么不应拥有低收入税？