student, stress and thinking in night home of university, college and school project fail, mistake and crisis. anxiety, worry and fear for indian woman with elearning technology, planning and problem - 懷疑 個照片及圖片檔
black woman, wondering and pensive of idea in studio for decision, doubt and contemplating for choice. female person, curious and thinking for solution, isolated and blue background with deep thought - 懷疑 個照片及圖片檔
contemplative young creative professional wearing eyeglasses sitting at desk while working on desktop pc in office - 懷疑 個照片及圖片檔
