Sun Qian, a postgraduate at Liaoning Normal University, said it was a good service.

辽宁师范大学研究生孙倩很支持这项服务。

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Mr. Sun explained that he would not change the lock originally, but he changed it later because of Qian Di crammed the toothpick in the lock.

孙先生解释，他开始并没有换锁，后来不得已才换锁是因为邸千在锁心里塞了牙签。

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