Common difference
公差
🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
🗣️ 情景例句
If he says he's going to be here, he's here.
假如他说他要来这儿 他就一定会来。
No. It's out of the question.
哪儿的话，根本谈不上赔。
This is the point I wish to emphasize.
这就是我要强调的论点。