The usual collection mechanism is simple elicitation. The visitor may be asked to give a talk to his colleagues in China,who then pepper him with questions that might induce at least a small security breach on his part.

• 在中国，外出访问者也许会被同事叫去一块聊天，同事会提出一些尖锐的问题，引诱他说出一些有用的情报。（《形形色色的间谍活动》保尔D-摩尔《华盛顿邮报》1999.；5