C3369 It Was Rather Clever
"Baby Ning, let Ming Hui go with you. This girl is not good at anything else but she is quite smart. She might even be able to help." When Mrs. Hsu heard that Su Ningning wanted to bring Chung Wenyao over to stay for a few days, she naturally welcomed her.
At least it proved that Su Ningning had indeed become a family member here.
Otherwise, with Su Ningning's character