Close one eye and squint at the screen with the other eye in order to see which elements pop out and which are fuzzy and which items seem to group together.

• 把一只眼睛闭上，眯着另一只眼睛模模糊糊地看屏幕，这样便可以看出来哪些元素突出、哪些元素模糊，以及哪些元素看起来是一组的等。