different coloured inks的用法和样例：
- The girls had on skirts of all different colours.
- Thanks for the sketch. Are you using colour ink to draw?
- Debossed logo with 6 colour ink fill as per artwork and layouts.
- Assign a different colour to each different type of information.
- Done in different techniques, they can be classified as pencil sketches, pencil drawings, coloured pencil drawings, monochrome watercolours, ink drawings and coloured ink drawings.