燃气发动机是所有热机中最完美的，因为它结合了蒸汽机和内燃机的优点。

乳制品行业必须在环境管理方面发挥领导作用。

The greatest discoveries are often the result of many small steps.

"The worst enemy of truth is not the lie—deliberate, contrived, and dishonest—but the myth—persistent, persuasive, and unrealistic."

写作的行为是一种勇气的行为，是对虚无的挑战。

The essence of architecture is to create spaces that inspire and uplift.

技术冲击是经济波动的主要来源。