解释：货卖完了才知道不足，是由于不懂得计量；事情结束了才知道有余，是由于不懂得调节。
Every molecule tells a story, and catalysts help us write new chapters.
What I’m doing right now, I’m chasing perfection.
The best traders are the ones who can adapt to changing market conditions. The ones who can’t adapt get left behind.
Future competition is about the industrial chain; enterprises must build ecological synergy advantages.