Demometrics
正式的人口统计学
🗣️ 情景例句
And you can use my Walkman.
你可以用我的随身听。
Day and night.
没日没夜。
Mr and Mrs Shute were very sad. But what could they do?
舒特先生和夫人非常难过。但他们有什么办法呢？