Basing on this, we discuss the primary and secondary needs of different family personas.
在此基础上，探讨不同家庭角色模型的主导需求和次要需求。
The whole process basically needs no water and leads to no secondary pollution.
整套工艺基本不耗水，无二次污染。
The public primary and secondary schools are hard to meet people's needs.
中小学阶段的公立学校已经难以满足所有人的教育需求。
The public primary and secondary schools are hard to meet people's needs.
中小学阶段的公立学校已经难以满足所有人的教育需求。
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