You invited a local market research company to interview people from different organizations that have applied drones in different commercial fields (such as inspections, construction, and agriculture). To obtain real opinions from the interviewees, one thing that must to avoid is__________您邀请一家本地市场调研公司对不同组织的人员进行访谈，这些组织已经在不同的商用领域（如巡察、 建筑业和农业）应用无人机，为从被采访者那里获取真实的意见，访谈过程中要避免的最重要的事情是      。