米的商量

1.你所要做的就是按下这个按钮然后等待。
All you have to do is push this button and then wait.
2.你只要在这里签字就行了。
All you have to do is sign your name here.
3.他们答应我只要我说出真相就可以走了。
They promise me that all i have to do is tell the truth that i can go.