美国利益团体参与政策制定的方式包括：内部游说，外部游说，影响选举和法院诉讼。
American interests groups can take part in the process of making policy by these means: lobbying internally, working on selection, lobbying externally and lawsuit.
美国利益团体参与政策制定的方式包括：内部游说，外部游说，影响选举和法院诉讼。
American interests groups can take part in the process of making policy by these means: lobbying internally, working on selection, lobbying externally and lawsuit.
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