A．Possible bankruptcy．
B．Unforeseen difficulties．
C．Imitation by one’s competitors．
D．Conflicts within the company．

A．The importance of language proficiency．
B．The job of an interpreter．
C．The stress felt by professionals．
D．The best Way to effective communication．

A．Admirable．
B．Promising．
C．Meaningful．
D．Rewarding．