Porter five forces analysis - Wikipedia, the free encyclopedia

Porter five forces analysis is a framework to analyze level of competition within an industry and business strategy development. It draws upon industrial organization (IO) economics to derive five forces that determine the competitive intensity and theref...

颱風警報等級的劃分！！

★★★喜歡請按讚★★★ 颱風警報等級的劃分 哈哈哈~~...

計算機中驚現！！！我覺得……挺像的……

★★★喜歡請按讚★★★ 計算機中驚現爾康！！！ 我覺得……挺像的……...

連薄紗我都沒有~真實的肉體

★★★喜歡請按讚★★★ 看~~全裸辣妹!!!!...

看，仔細看……你會看到什麼？

★★★喜歡請按讚★★★ 看，仔細看……你會看到什麼？…… 孫楊…...