The 'companion' can then track the phone's GPS to see where their loved one is at any time, while the app will periodically show a button on the user's home screen asking 'Are you OK?
然后这位“同伴”就可以跟踪手机的GPS随时了解他们爱的人所在的位置，而同时应用会定时在用户的主屏幕上显示一个按钮，询问“你还好吗？” 。
We are going to create two test methods, one for testing the OK button, and the other for testing the Cancel button.
我们将创建两个测试方法，测试确定按钮之一，是检验取消按钮等。
Stewardess: Let me help you. OK, this is the one you want. Push this button to change the channel. We have 6 channels in all. Have a good day.
空姐：我来帮您。好了，这个就是。按这个按钮换台o目前我们总共有6个频道。祝您开心。
Stewardess: Let me help you. OK, this is the one you want. Push this button to change the channel. We have 6 channels in all. Have a good day.
空姐：我来帮您。好了，这个就是。按这个按钮换台o目前我们总共有6个频道。祝您开心。
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