不是强调句,强调句是it is plutocrats that……
富豪们正表现出想要和努力工作的中产阶级团结一致的决心,这可能是他们企图免除高税额的一系列行动中的一部分.
句子还原
Plutocrats(有钱有势的人）are exprssing solidarity with the struggling middle class.It is possible that it is a part of an effort to insulate themselves from confiscatory tax policies.