和美国导师讨论文献中问题，老师很欢迎，该怎么回复呢？求前辈指教

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最近一直在建模，看到一篇文献感觉很好，就向作者导师求教文献中的问题，老师很欢迎，说随时可以去他的地方和他一起更详细的讨论。小弟的英语很烂，所以想请各位有经验的朋友帮忙出出主意，怎么回复给老师！
老师回复是：
Hi, **,
Thnak you for your interest in our work.  Whether there is a linkage between a risk factor (such as plaque stress) is entirely un-settled.  It is not if one has a theory.  Rather, we have to provide clinical evidence to support our claims.

Using critical stress has its reasons.  People are using various indicators.  You can certainly use something else.  It is best that you discuss that with your professors. Or,  you are welcome to visit US or Nanjing, whenever that is possible, for more detailed discussions.  Email is very limited.

Good luck!