Constant difference
[建] 常数, 恒量; 不变的, 恒定的
🧩 词语组成解析
🗣️ 情景例句
Oh, yes, I know the name.
呵，我听说过贵公司。
Two blacks do not make a white.
两个乌黑不等于一个清白。
It is one of the most unpleasant discoveries which we all make that we must decline in this way,
人人必然会衰老。