For years we had little knowledge of what life was like inside China.

上海419论坛　　以往很多年我们对于中国国内的生活情况所知甚少。

上海419论坛　　It was a time of peak demand for the product.

上海419论坛　　那是对该产品需求最旺的时期。

上海419论坛　　There was much discussion about the reasons for the failure.

　　就失败的`原因进行了大量的讨论。

上海419论坛　　The treatment should be repeated every two to three hours.

　　这种治疗方法应该每隔两到三小时重复一次。

上海419论坛　　Now she won't have to go out to work any more.

　　现在她不必再出去工作了。

　　The need to communicate is a key characteristic of human society.

　　需要交流是人类社会最重要的一个特征。