理论的任务是描述观察之间的联系。

It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope, it was the winter of despair, we had everything before us, we had nothing before us, we were all going direct to Heaven, we were all doing direct the other way.

烘焙中的可持续性不仅仅是一种趋势；它是一种责任。

他们做事,上尊敬天,中敬奉鬼神,下关爱百姓。

Collaboration across industries is essential to solving the complex challenges of energy production.