Estivaculum
夏眠场所
🗣️ 情景例句
or the subway ...
或者搭地铁……
Only by working hard can we succeed in doing anything.
只有通过努力工作我们才能成功。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义，我们应先回顾一下人类最近的几项发明。