Sideways sum
[计] 数位迭加和
🧩 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
Let's talk business.
我们来谈谈正经事。
He gets more professional satisfaction from teaching.
从事教育职业，他更感受到职业上的满足。
Let me see. It's about four thirty.
我看看，大约四点半了。