It can serve as a source of inspiration, and as an ideal jumping-off point should a musician be hit with writer's block.
它可以作为灵感的来源,也是音乐家被作家阻挡的理想起点。
英语百科
Ideal point
In hyperbolic geometry, an ideal point, omega point or point at infinity is a well defined point outside the hyperbolic plane or space.
Given a line l and a point P not on l, right- and left-limiting parallels to l through P converge to l at ideal points.