Question

托福TPO上的一个句子分析，谢谢！

Should the use of rewards fail, members can frequently win by rejecting or threatening to ostracize those who deviate from the promary group's norm. For instance, some social groups employ shunning (a person can remain in the community, but others are forbidden to interact with the person) as a device to bring into line individuals whose behavior goes beyond that allowed by the particular group.

Answer 1

如果使用奖励手段失败了，成员们往往可以通过拒绝或威胁要排斥那些偏离团体主流规范的人来达到目的。比如说，一些社会团体实施回避（某人可以继续留在社区里，但是其他人禁止与其交流）作为手段，来使那些行为超乎特定团体允许范围的个人循规蹈矩。

Answer 2

前面是一个虚拟语气的倒装，然后后面基本都能理解了吧，最后一句就是两个定从