broken-line的用法和樣例：
例句
用作名詞 (n.)
- Just put your John Henry on the dotted line.
請您在虛線上署名。 - There is a broken white line in the middle of the road.
路中央有一條白色的虛線。 - Fold all five sheets together on the perf line.
將五張內頁一起按折線摺疊。 - This provides a useful crease line for the finished hem at the facing width.
這樣貼邊幅寬處的光底邊就有了一條有用的折線。
