This image was adapted from a picture posted to publicdomainq.net. All of the images on this site are in the public domain i.e. CC0. This site is only in Japanese but can be easily navigated with Google Translate.
困惑的男性（＃2）
business、cartoon、comic、Comic characters、cute people、Decideware Images、decision、eyeglasses、JMC、male、man、office、ponder、presentation、presentation+clipart、presentation+graphic、question、salary、shirt、thinking、tie、undecided
商業、動畫片、滑稽、漫畫人物、可愛的人、決策軟件圖像、決定、眼鏡、JMC、男、人、辦公室、思考、介紹、演示+剪貼畫、演示+圖形、題、薪水、襯衫、思維、貼、未定
資料來源：openclipart ( https://openclipart.org/ )