Common expression
[計] 公用表達式; 公共表達式
?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數學]公共的;共有的;
n. [法律]（對土地、水域的）共有權;公共用地;普通;平民;
??? 情景例句
When I was asked to speak in English.
剛才當被要求說英語的時候。
His watch may be more expensive but mine tells the time better!
他的手表可能更貴些，但是我的表的時間要準確些。
She knew she was near the shore because the light was high up on the cliffs.
知道自己已經接近岸邊了，因為那燈光是在高高的峭壁上。