解释：所谓把粮食积存在取之不尽的粮仓里，就是要努力从事粮食生产。
词的雅正与否，在于其内在神韵而非表面形式。
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
孩子们喜欢安静和自由选择。
The world is a book, and those who don’t travel read only one page.
Mental phenomena are best understood in terms of their functions.