求翻译：　　2010年11月19日，沃尔玛中国旗下品牌山姆会员商店在中国推出网上购物服务。目前山姆网上购物还处于测试阶段，上线的版本也仅限于深圳站。是什么意思？

November 19, 2010, Wal-Mart China's brand Sam's Club stores in China to launch an online shopping service. Sam online shopping is still in the testing phase, the on-line version is limited to the Shenzhen station.

November 19, 2010, Wal-Mart brand, in the national flag of China's membership in store shopping service available on the Internet. At present, the internet shopping mall is also in the testing stage, and on-line version is also limited to Shenzhen station.

　　On November 19, 2010, the Wal-Mart China serves under somebody's banner the brand sam member store to promote on the net in China the shopping service.At present on the sam net the shopping also is at the test stage, the political line edition also only is restricted in the Shenzhen station.

　　November 19, 2010, Walmart brand Sam launches online shopping service in China. Is Sam's online shopping is still in the testing stage, online version is limited to Shenzhen.

正在翻译，请等待...