句子分析:新概念英语4中第47课多项选择题第一题答案是The main reason people enjoy camp
句子分析:新概念英语4中第47课多项选择题第一题答案是The main reason people enjoy camping is,选c
The main reason people enjoy camping is not necessarily so that they are saving money.这句话is后面看不大懂,特别是necessarily 修饰哪个词,so that 这里又怎么解释?