yuan-source points and collateral-points combination

例句：

1. 1.The study of the origin and secondary pointscombination is crucial for understanding the development ofa species.
   研究原点和次级点组合对于理解物种的发展至关重要。
2. 2. In thecontext of economics, the origin andsecondary points combination can help us better understandthe dynamics of supply and demand.
   在经济学中，原点和次级点组合可以帮助我们更好地理解供需动态。
3. 3. The researchon the origin and secondary points combination hassignificant implications for sustainable development.
   对原点和次级点组合的研究对可持续发展具有重要意义。