menu title的用法和樣例：
例句
- These commands are called menu titles and each corresponds to an NX functional category.
每個(gè)菜單標題下面都對應著(zhù)相應的命令。 - A user points and clicks on a menu bar and its immediately subordinate list of options appears in a small window just below it.
用戶(hù)指向并單擊其中的一個(gè)菜單標題，即可彈出直接屬于此標題的選項列表窗口。
