Oftentimes, success is achieved, as medical science is able to isolate the parasite, germ or cell that causes the problem and finds ways to effectively kill or contain it.

• 根据这些资料，我们可以很清楚地了解到：神话人物差别很大，不只是由于地理位置所导致的，而且还是由于历史时期所导致的。