where 在定语从句中做状语,where= in this situation,可以拆成两句话：It's helpful to put children in a situation；in this situation they can see themselves differently.若用which,前面要加in,in which=in a situation；把孩子们放到一个能够让他们从不同角度看待自己的环境中,这对于他们有所帮助.
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