C533 They All Have a Background

"That's good, Miss Tang Xin. I almost forgot to introduce myself. My name is Jack. If you have any difficulties in South Africa, you can call me. This is my number." The black man named Jack took a telephone number card from his pocket and handed it to Tang Xin.

Tang Xin was very curious about this contact method. She turned around and glanced at Trin. Seeing that Trin's expression changed