problem finding and solving, trouble and solution, looking for the cause of emotional stress and upset mood, businessman holding magnifying glass to find question mark from messy tangled wad of thread - 機智 幅插畫檔、美工圖案、卡通及圖標放大鏡, 困惑, 分析
hand holding mobile phone with recycling symbol on screen. environmental conservation and recycle concept - 機智 幅插畫檔、美工圖案、卡通及圖標
laptop with recycle symbol on screen. environmental conservation and recycle concept - 機智 幅插畫檔、美工圖案、卡通及圖標循環再造, 循環再造符號, 電器 - 康樂設備
illustration of man using tip of antler to shape stone, and pad of leather to protect palm of hand - 機智 幅插畫檔、美工圖案、卡通及圖標
isometric businessman flying to the sky in jet office chair, promotion, business status promotion, self promotion - 機智 幅插畫檔、美工圖案、卡通及圖標主席, 領導能力, 開車
an illustration of various business processes in shipping and receiving - 機智 幅插畫檔、美工圖案、卡通及圖標協調, 三個人, 辦公室
illustration of development of man from from homo habilis to homo erectus to homo sapien - 機智 幅插畫檔、美工圖案、卡通及圖標