mouse cursor in front of large hovering warning triangle – alert and caution concept - 專心 個照片及圖片檔立體, 錯誤訊息, 警告標誌 - 符號
tired stressed woman working on laptop at home, burnout concept, home office fatigue - 專心 個照片及圖片檔情緒壓力, 工作, 職業
contemplative young creative professional wearing eyeglasses sitting at desk while working on desktop pc in office - 專心 個照片及圖片檔工作, 職業, 不確定
elementary school junior high boy student sitting at desk in classroom with head in book in frustration sleeping tired exhaustion boredom - 專心 個照片及圖片檔學生, 兒童, 課室
manga anime action frame lines. abstract explosive template with speed lines on white background. motion radial lines. flash explosion radial lines vector illustration. - 專心 幅插畫檔、美工圖案、卡通及圖標單線, 條紋, 閃電
a beautiful confident blonde businesswoman sitting at her computer and listening to her leader - 專心 個照片及圖片檔認真的, 辦公室, 團隊工作
closeup of a focused business woman with eyeglasses looking at laptop screen. young worker with protective reading glasses checking emails or studying online. details of face with trendy specs frame - 專心 個照片及圖片檔特寫, 眼睛, 手提電腦
focused female entrepreneur with wireless headphones doing coding on computer in office - 專心 個照片及圖片檔辦公室, 工作
young lady using a laptop to do research on the internet. woman working on a project. mixed race woman sending emails. - 專心 個照片及圖片檔圖書館, 學習, 學生
focused indian businesswoman writing in a notebook while working alone on a laptop in an office. one female only thinking before making notes in her diary and planning online while working at her desk - 專心 個照片及圖片檔印度人, 手提電腦, 一個人
