action of controller的用法和样例：
- The action of the strikers was unjustified.
- Inflation has got out of control.
- The action of salt on ice causes it to melt.
- The lorry ran down the hill out of control.
- Easement of pain,activity range,walking ability,and daily action of treatment group were superior to that of control group,there was significant difference between two groups(P<0.01).
- The model plane got out of control and crashed.