The number of the above department heads who are seconded from the consultancy firms undertaking the western corridor railway consultancy contracts ; and whether the question of conflict of interest has been considered when employing such staff ; and 该等部门主管中，有多少是从承接西铁顾问合约的顾问公司借调而来聘请该等人员时，有否考虑利益冲突问题及
