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The main reason that misled Xie Jingchen was... although Zhang Shanni appeared somewhat inexperienced, no one suspected her because the original host rarely communicated with others, and the Qingshan Team was not familiar with her.
Moreover, even though Shanglin Village and Qingfeng Village belong to the Qingshan Team, there is still a distance between them, and their village heads are different; the true nature of Zhang Shanni is not thoroughly known by either Zhou Xiuhua or Xie Jingchen.
Not to mention outsiders, even family members like Zhang Zhiguo truly do not have a deep understanding of the youngest child; the only perception is: Zhang Shanni is very obedient.
Zhou Xiuhua might know some superficial details, but when Zhang Shanni wants to hide something from her, how could Zhou Xiuhua possibly notice!
Even Xie Jingchen, who is meticulous, was deceived by Zhang Shanni, let alone his own parents!
