會展使用頻率最高的英語 High-frequent Spoken English In Business Fair By David Pai

 會展使用頻率最高的英語 
High-frequent Spoken English In Business Fair 

By David Pai 

https://drive.google.com/file/d/1MSGxcsC-f365cglvOAyrNJBdUPFd0UNx/view?usp=sharing