答：
Before departure, I studied the history of lunar exploration with the lander. About half of the past 130 explorations ended in success; the rest ended in failure.
This is space exploration; the danger comes with its beauty. I am but a tiny dot in the vast picture of mankind’s adventure in space.
The sun has fallen, and the temperature is dropping so quickly. I’ve said a lot today, but I don’t think it’s enough. To tell you all a secret, I don’t feel that sad. I was just in my own adventure story, and like every hero, I encountered a small problem. Goodnight, Earth. Goodnight, humanity.
