At the same time.

Lin Fan stood bewildered at the security checkpoint of the special passage, looking at the stern security personnel in front of him, somewhat incredulous: "You're stopping me?"

"Yes, Mr. Lin." The security personnel looked at Lin Fan apologetically: "You have contraband on you."

"Contraband? On me?" Lin Fan, puzzled, emptied his pants pockets and held up his only phone, saying, "Apart from this phone, I have nothing else on me! Where's the contraband?"