The key to successful investing is to have a clear understanding of the market, the risks involved, a disciplined approach, and a long-term perspective.
You must change nothing in your writing without absolute necessity. If it is necessary， then change with simplicity.
A good statistical analysis should not only answer the questions posed but also raise new questions.
一个好的统计分析不仅应该回答提出的问题，还应该提出新的问题。