Cheng was working in a bank and writing fiction in his spare time .
I knew Cheng Ching - wen and consulted him when I was trying to decide what to study and which universities to apply to .
Cheng Ching - wen was working in a bank and writing fiction in Cheng Ching - wen 's spare time .
I knew Cheng Ching - wen and consulted him when I was trying to decide what to study and which universities to apply to .