Elementary sum
[计] 基本合
🧩 词语组成解析
sum
[sʌm]
n. 总数;算术;金额;概略，要点;
vt.& vi. 总计;总结，概括;归纳;
🗣️ 情景例句
so we could talk.
好跟你谈谈。
Do business, but be not a slave to it.
要做事，但不要做事务的奴隶。
Excuse me. May I have a piece of paper, please?
请问，我可以要一张纸吗？