At last, this article is an approach to the index system of the developmentallevel of China's community business and some advices of improvement.
最后，针对中国社区商业存在的问题，提出了中国社区商业建设水平的指标体系和一些改进建议。
2
Children’s main job is to figure out how their complex world works. In order to master the things they need to at each developmentallevel they will test their parents.
孩子会主动学习这个复杂世界的法则，在不同的发育阶段，他们都会为作出各种尝试，以了解这些法则。
3
OBJECTIVE:To explore the effect of low level lead exposure during pregnancy on the auditory developmentallevel of infants through examination of auditory brainstem response.