Xiao Zhao and Xiao Liu are very familiar and good friends  The two are very close  During the epidemic, Xiao Zhao sent a warning WeChat to colleagues in the same room in the unit, and Xiao Liu also sent a message to everyone he knew in the community  Alerted on WeChat, and further confirmed and reminded by phone  Xiao Zhao and Xiao Liu exchanged phone calls to remind each other not to walk with each other in the near future
Xiao Zhao sent Xiao Liu a warning WeChat, but Xiao Liu did not send Xiao Zhao a warning WeChat
Xiao Liu and Xiao Zhao are not from the same office