求翻译：首先，网上购物很方便。其次网上购物比去商场便宜。而且网上购物很省时。但是质量难以保证。如果在网上购买一些陶瓷运输的时候不是很安全。是什么意思？

First of all, online shopping is very convenient. Second, online shopping mall than to go cheap. And online shopping is very time-saving. But quality is difficult to guarantee. If you buy some online when the ceramic is not very safe transport.

First of all, shopping on the Internet is very convenient. This was followed by shopping on the Internet than to go to cheaper shopping center. But shopping on the Internet is very time saving. But it is difficult to ensure quality. If you purchase on the Internet when some ceramic transport is not

First, on the net the shopping very is convenient.On next net the shopping goes to the market to be cheaper than.Moreover on the net the shopping saves time very much.But the quality guaranteed with difficulty.If purchases some ceramic transportation on-line time is not very safe.

First of all, online shopping is easy. Second shopping online is cheaper than go to the Mall. And online shopping saves time. But it is difficult to guarantee the quality. If you buy some ceramic when transport is not very secure.

First of all, online shopping is easy. Second shopping online is cheaper than go to the Mall. And online shopping saves time. Quality difficult to ensure time. Online when buying ceramic transport if not very safety.