Back pain can be a tough mystery to solve, but with a doctor's help you should be able to track down the cause.
后背疼也很难解决，但是如果有一名医生帮助你的话，你也许能够找到疼痛的原因。
The best way to solve this problem is to work back from main connection.
解决此问题的最好办法从主要连接开始查起。
And if you solve the mystery of how mean people can also be popular, please write back and let me know!
如果你揭开了说闲话的人为什么会受欢迎之谜，请回信给我，让我也知道一下。
Step back and you will find a good way to solve the problem.
退一步思考，你就能找到解决这个问题的好方法。
Back home, the neighbor asked his wife to help him solve the riddle.
回家后，农夫邻居要他的妻子，帮助他解答这些难题。
He paced back and forth in the room, considering how to solve this problem.
他在房间里来回踱步，思量着如何解决这个问题。
Mature and perfect after-sales service system, for clients to solve the trouble back at home.
成熟完善的售后服务体系，为客户解决后顾之忧。
Mature and perfect after-sales service system, for clients to solve the trouble back at home.
成熟完善的售后服务体系，为客户解决后顾之忧。
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