elderly gentleman reading le moniteur newspaper — a man wearing glasses, sideburns and a dark cap holds a large newspaper in front of him and studies the news with a serious expression - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
teenage boy explains content from a notebook to a white woman in a green sweater. she listens attentively at a desk with a laptop and phone. verbal expression, academic clarity, focused discussion. - 知識就是力量 個照片及圖片檔
group gathers for a presentation with a speaker in a bright room during a professional development event - 知識就是力量 個照片及圖片檔
business meeting takes place in a modern office with a speaker addressing an attentive audience - 知識就是力量 個照片及圖片檔
group listening to a speaker in a meeting room during a workshop session in an office setting on a weekday - 知識就是力量 個照片及圖片檔培訓班, 管理層, 人群
group of people in a workshop listening to a speaker during a training session in a bright room with large windows - 知識就是力量 個照片及圖片檔50歲到54歲, 說話, 討論
group of people attending a workshop led by a woman in a gray outfit in a bright indoor space - 知識就是力量 個照片及圖片檔
group learning session with speaker leading discussion in modern office space with attendees engaged and listening - 知識就是力量 個照片及圖片檔成年人, 背面拍攝
group learning session takes place in a modern classroom with a speaker and attentive audience in view - 知識就是力量 個照片及圖片檔
business meeting takes place in an office with attendees listening to a speaker during a presentation - 知識就是力量 個照片及圖片檔
group listening to speaker during meeting in a bright room with plants and chairs in the background - 知識就是力量 個照片及圖片檔
wooden peg dolls representing family standing on desk with blurred schoolboy in background in canada. - 知識就是力量 個照片及圖片檔
sea life drawing held by anonymous elementary student in front of world map classroom wall in toronto, ontario, canada. - 知識就是力量 個照片及圖片檔
smiling asian boy resting chin on hands behind alphabet letter blocks. early childhood literacy and phonics learning at home. - 知識就是力量 個照片及圖片檔
young boy holding up word learn formed with alphabet wooden blocks in kindergarten classroom. early childhood education and literacy concept. - 知識就是力量 個照片及圖片檔
pink gut framed by a magnifying glass on purple, a vertical concept of focused probiotic research and gut inspection - 知識就是力量 個照片及圖片檔
whole pink digestive tract seen inside a magnifying glass, a conceptual close look at gut anatomy and probiotic focus - 知識就是力量 個照片及圖片檔
magnifying glass on a pink gut against dark green, a conceptual study of intestinal detail and probiotic inspection - 知識就是力量 個照片及圖片檔
magnifying glass over a pink digestive tract on black, a vertical concept of gut scrutiny and probiotic research - 知識就是力量 個照片及圖片檔
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標
owl logo symbol vector illustration design, iconic owl logo symbol stock illustration - 知識就是力量 幅插畫檔、美工圖案、卡通及圖標