凯利公式详细讲解简介：At this time, China was simply the political, economic and cultural center of the entire earth. Eighty to ninety percent of the Hals people were in China, and 80% of the warships were also in China.
At this time, China was simply the political, economic and cultural center of the entire earth. Eighty to ninety percent of the Hals people were in China, and 80% of the warships were also in China.
