Macrodemography
总体人口统计学
🗣️ 情景例句
Yeah? What was it?
是吗？ 是什么惊喜？
He that gains well and spends well needs no account book.
收支正当，无须记帐。
I really ought to go and have my eyes tested.
我确实该去检查一下我的眼睛了。