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
But personally I believe a business letter should end with Very truly yours, not Sincerely.
还行，乔治。但是我个人相信一封商业信函应该以“敬上”结尾，而不是“谨启”。
I would prefer if he comes here.
我倒愿意他去我们那里。
How do you usually come to school?
你平常怎样来上学？