不可以引导，例如：
1.Medical care is still free at the point of use.医疗保健在实际提供点仍然是免费的。
2.We are still friends， though， which is good.不过我们仍然是朋友，这令人感到欣慰。
3.There's still time to change your mind.你还有时间改变主意。
4.Call it what you will， it's still a problem.不管怎么说，这仍然是个问题。
