“起作用”造句

用这种方法控制你的狗不起作用。
This is an ineffective method of controlling your dog.

既然对你起作用，这就是个明智的决定。
This was a good decision inasmuch as it worked for you.

该卫星自从两年前发射以来一直没起作用。
The satellite had been inactive since its launch two years ago.