Compound sum
出國 Abroad[經] 復利本利和
?? 詞語組成解析
sum
[s?m]
n. 總數;算術;金額;概略，要點;
vt.& vi. 總計;總結，概括;歸納;
??? 情景例句
They've stood by me through all this.
他們一直支持我做這件事。
Promise is debt.
許愿就是債，欠了不容賴。
It turned out to be snoring! Men were found to be the worst offenders.
它竟然是鼾聲。人類是這方面的罪魁禍首。