This is a passage from Chinese to English,please check the grammer and words Principles that should be mastered in secret news inquiry From the pros and cons of view, secret news inquiry is between “an edge tool" and "a hot potato". It depends on how you use it. As long as one can master the following principles of secret news inquiry, he will adopt its good points and avoid its shortcomings strengthen the accuracy of fact checking and grasp the principle of "reality based" For "exclusive" or "limitation" considerations, sometimes reporters are too hurry to complete the reports after secret news inquiry and do not take the necessary "official" route that generate some controversial ones. In fact, reporters should search for the right time to identify themselves, or base on the real news from secret news inquiry and then collect some "official" information to check. It can both avoid "news spin" and maintenance the credit of the media, which kill two birds with one stone. Grasp " role orientation" principle The media is neither the government nor the court; Journalists are neither police, nor law enforcement. Reporters cannot cover with any personal tendency or personal preferences, as to form a "medium trial" awkward situation. The reporter must objectively describing facts, and not contain even a little personal feelings. Reporter's responsibility is to represent society to come up with "why not solve ", but not "how to solve". It is very important not to overstepping your authority