I have never heard of Yuan Yuan being able to grow something and ferment it. Having met Chen Wenjie briefly when they were young, Wang Yile has always thought of Chen Wenjie as a "good friend's younger brother" and a "talkative little venomous person". We met again at a dinner ten years later. Zhang Heng seemed to have become very different as he grew up. I thought it was just a friendship over a meal, but unexpectedly they went to the same city not long after. It seemed that something was different...