Interpretation: But the only thing that makes me sad is that I didn't see the reunification of the motherland with my own eyes.
2, an tens of millions of buildings, the poor people in the world are happy, and the wind and rain do not move. -From the Tang Dynasty: Du Fu's Autumn Wind Breaking the Cottage
Interpretation: How can you get thousands of spacious houses? Generally, they shelter the poor people in the world, make them smile, and the houses are stable when they encounter wind and rain.