PE teaching to the punily community is the very difficult part in colleges.

校体育弱势群体体育教育工是体育教育领域1个难点。

These impoverished students endure double pressures of economy and study as the puniness colony.

校中弱势群体，贫困大学生承受着经和学习双重压力。

Under the circumstances of market economy,libraries are affected greatly and shown in an inadaptable situation when serving the vulnerable groups.

图书馆同样也受到社会转型中市场经击,在弱势群体服务时表现出不相适应态势。