问题描述：
求解释深层意思
This “Southern Operation” would seal off China from outside help,thus underwriting victory in Japan's frustrating four-year war against Chiang Kai-shek's feckless but tenacious Chinese army.—David M.Kennedy,Atlantic,March 1999
都看得懂.但是Southern Operation是什么?
This “Southern Operation” would seal off China from outside help,thus underwriting victory in Japan's frustrating four-year war against Chiang Kai-shek's feckless but tenacious Chinese army.—David M.Kennedy,Atlantic,March 1999
都看得懂.但是Southern Operation是什么?
问题解答：
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