求翻译：网络团购市场竞争日益激烈，市场购买力却是有限的，另一方面，团购网站的差异化不明显，要使网站保持长久的活力却并非易事。是什么意思？

Buying Online increasingly fierce market competition, market purchasing power is limited, on the other hand, buy the site difference is not obvious, make the website is not easy to maintain long-term vitality.

Network share market in an increasingly competitive market, purchasing power is limited, and, on the other hand, the web site of the Mission differentiation is not obvious, to make a Web site maintaining long-term viability is not easy.

The network group buys the market competition to be day by day intense, the market purchasing power is actually limited, on the other hand, the group buys the website the variation not to be obvious, must make the website to maintain the long-time vigor actually is not the easy matter.

Network group-markets increasingly competitive, market purchasing power is limited, on the other hand, group buying site the difference is not obvious, you want to make the site maintained vitality for a long time but will not be easy.

正在翻译，请等待...