释义：要了解过去和现在，以便灵活应变，适应变化。

Sustainability isn't a choice anymore—it's a necessity for any business that wants to thrive in the future.

The act of writing is an act of resistance against forgetting.

Without food, man can live at most but a few weeks; without it, all other components of social justice are meaningless.

我只是个歌舞艺人。