Q1：論文結果意義的闡釋部分應該從哪里開始？是否依據原有的故事線？
(1) it can start from the gap, which is the key point of this report, the most important findings and the significance of this study
(2) by zoom out, combinating the general writing technics of the articals which stated some great discoveries, start from the top of the logic tree and? sumary backward.
Q2: 論文序言的關鍵內容有哪些？最關鍵的部分如何組織？
first, set the overall framework of the paper:
the starting point and the reasons
the key variables and the reasons
the impacting factors of key variables and the reasons
the signifcance of this study and uuniqueness
second, add details: "blood and meat"
Q3:
the practical significance is to help the company to improve their global sourcing.?
theoretical significance may be to detail the existing theories to make theories more practical.
