plain colour

基本解釋

I love the plain colour ones but i have no idea of how to use these…Thanks for sharing anyway!
這個好看，但是我很少用得上，我都用可愛的置頂素材！
It is this factory's tenet to make the practical handicraft products plain in colour, tasteful in shape and numerous in function.
把實用工藝品制作得色澤樸素，造型雅致，具備多用功能，這是本廠的信條。
chinafanyi.com
Woven cloth can be plain ( in one colour or a simple pattern), or it can be woven in decorative or artistic designs, including tapestries .
無紡佈可以平原（在一個膚色或一個簡單的模式），也可以是在裝飾或藝術設計，包括掛毯編織。