connecting line的用法和樣例：
例句
- Line with a variable arrowhead that routes between the shapes it connects using an adjustable right-angled line.
使用可調直角線在所連形狀之間繪製路線的帶可變箭頭的連接線。 - One major aspect to support this ability is the fact that thread arcs aim at keeping the intersection of connection lines at a minimum.
支持這項功能的一個主要方面就是，線弧著重於將連接線的交叉點保持在最小化。
