call attention to的用法和樣例：
例句
- The bus driver broke the silence, by calling attention to a waterfall of great beauty, in the rocky dell.
大客車駕駛員打破沉默，開口說話，讓大家看山間壯麗的瀑布。 - A notation, usually a question mark, calling attention to an item in order to question its validity or accuracy.
疑問號一個記號，通常為問號，以引起對某一事物的注意以便就其有效性或準確性提出質疑
