Finally, I came to know it is a special cellulose derived from a pinewood, but even after that, you need a multimillion-dollar plant like this to process that material. Again, a stop-up.
最终，我终于了解到了一种特别的纤维素 从松树中获得，但即使这样 照样也需要价值上百万的机器 来处理这些原料。所以，工作又停顿下来