In English, when using two or more words as attributive I join them with en-dasheshyphens.
If you're desperate for dual-GPU performance, the 18.4-inch Alienware 18 has a dual-GeForce GTX 880M option
That was a I-know-what-I-do remark.
How do I use a group of words as attributive, in Esperanto?
I know the translation of solar system is sunsistemo, but how do I make a phrase like solar system an attributive? How does it work with, for example, three words?