Are you rich?

Olivia Li saved Caesar Zhao's phone number, but Caesar Zhao did not save Olivia Li's phone number.
Seeing an unfamiliar call, Zhao Xiaotian was slightly startled, hesitated for a while, and finally picked up the phone.
"Hello!"
Hearing the familiar voice, Olivia Li called out politely, "Uncle Zhao!"
She and Caesar Zhao had only met once, and because the relationship between Aaron Zhao and Caesar Zhao was very strained, she could never call him "father-in-law".
Caesar Zhao recognized...