我相信建筑是一门实用艺术。要成为艺术，它必须建立在必要性的基础上。

The separation of law and morals is a necessary feature of a legal system.

The metal container industry may seem traditional, but its potential for innovation is limitless.

云计算的价值在于它让计算变得民主化。

财富的积累有赖于节俭和投资。