Jinbo can be interpreted in two ways: one is Jinbo, the color of sunlight or leaves; The second is the name or official position. Yanmenguan is a famous and important state capital in Tang Dynasty. You can refer to the satrap star of Yanmen. Believe, for sure. May autumn, it turns out that May is summer. It is nothing more than an expression of emotions to say that May is autumn here. The golden sunshine (or leaves) set off the desolate scenery, making people seem to have entered autumn. It's easy to understand, the mountains and rivers are strong through the ages, the new moon is north, and the new moon is north. You can refer to the introduction of the speaker in Mulan Ci. Romantic seasons are the scenery of the four seasons. The south building should be the place where the author observes, or his residence.
I probably think that although the environment is bad, the mountains and rivers are infinitely good, and there are enough soldiers to guard the frontier and defend the people.