Therefore, designers and researchers need to carefully reconstruct goals from observed behaviors, answers to other questions, nonverbal cues, and clues from the environment such as the titles of books on shelves.

• 因此，设计师和研究人员需要认真地从观察到的行为、对其他问题的回答、非言语的暗示，以及诸如书架上的书的标题等环境的暗示中重新构造目标。