2. The collection of Yanzhao, the management of Han and Wei Dynasties, the elites of Qi and Chu Dynasties, and the plunder of several generations. Once you can't get it, you lose it. Tinkling jade, gold pebbles, discarded, are regarded as treasures by Qin people, not very precious.
3. Qin people can't help feeling sorry for themselves, and later people mourn for them; Later generations grieved, failed to learn from it, and let future generations mourn for future generations.