line printing的用法和樣例：
例句
- A diagonal mark(/) used especially to separate alternatives, as in and/or, to represent the word per, as in miles/hour, and to indicate the ends of verse lines printed continuously, as in Old King Cole/Was a merry old soul.
斜線號一種斜線符號，尤用於對選擇加以區分，如和／或者，表示每 ... 這一詞，如英里／小時，和在詩尾表示連續列印行，如老國王考勒／是一個快樂的老人
