In fact, the same Tcl script written using Tk will look like a Windows application on a PC, a Macintosh application on a Macintosh and a Motif program on a Unix work-station.

• 实际上，用Tk写成的Tcl脚本在PC机上看上去像Windows应用程序，在Mac机上像Mac应用程序、在unix工作站上像Motif程序。