倍投最佳方案简介：The gatekeeper knew that this Mr. Jin was a frequent visitor to his master's house. Since the visitor was looking for him, he must also be his friend, so he did not dare to neglect and walked directly towards the living room.
The gatekeeper knew that this Mr. Jin was a frequent visitor to his master's house. Since the visitor was looking for him, he must also be his friend, so he did not dare to neglect and walked directly towards the living room.
