首先用户可以使用绘图功能，当想要绘制某个基本图元时，用户通过点击“绘制”菜单项中相应图形的名称，即可绘制相应图形。 绘制具体操作：当想要绘制圆形时，点击鼠标左键并按住左键不放至拖至左键松开，绘制相应的圆形。当想要绘制直线时，鼠标左键 ...

Lorsch, Jay W., and Colin Carter. Back to the Drawing Board: Designing Corporate Boards for a Complex World. Boston, MA: Harvard Business School Press, 2003.