Think of Nokia, the mobile phone maker. Due to the economies of scale that the common market made possible, Nokia was able to exploit its inventions fully, while Germany’s Siemens recently decided to give up on the mobile phone market.
看看手机制造商诺基亚就清楚了。由于共同市场使规模经济成为可能，诺基亚得以充分地利用自身的发明创造，而德国的西门子最近决定放弃移动电话市场。