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get to the heart of ~ の核心に迫る、入る
Do Mark London and Brian Kelly in The Last Forest get to the heart of the problem? Not in my view. Their account is engaging, sometimes entertaining, but overall superficial, a one-eyed vision of a deep and complex set of issues
put on blinders 見て見ぬふりをする
To present the Amazon as a solely Brazilian entity is to put on blinders, for many of the insights the authors draw from their travels and interviews do not apply to neighboring countries.