system的形容词形式是systematic；
system
n.(思想或理论)体系;方法;制度;体制;系统;身体;(器官)系统；
复数： systems；
例句：
By that time the new system should be up and running.
到那时这个新系统应该会运转起来了。
This is the one major drawback of the new system.
这是新系统的一大弊端。
We have had to adapt quickly to the new system.
我们不得不迅速适应新制度。
There is a lack of knowledge about the tax system.
大家对税制缺乏了解。
温馨提示：
