Compound sum
出国 Abroad[经] 复利本利和
🧩 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
Who do you work for?
你是做什么工作的？
What's the big deal?
这有什么大不了的？
He's gone to England with his family. He won't be back until January.
他和家人一起回英国了。要到元月份才回来。