代价昂贵

• Nowadays , as the wave of returning to the nature grows in the world , the change of human sickness pedigree causes the huge adjustment its medical mode , the chemical medicine has toxic and side effect , and the research of chemical medicine is costly , all this , makes the natural medicine more and more useful in international medicine market
  随着全球范围内“回归自然”浪潮的兴起，人类疾病谱改变所引起的人类医疗模式的巨大调整，加上化学药品毒副作用大、研究代价昂贵，使得天然药物在国际医药市场中的用途和影响不断扩大。