随着我国经济的发展，企业之间竞争日益加剧。有的企业为了降低原材料购入成本，或者获得稳定的销售渠道，大举兼并或者组建其上、下游企业；有的企业为了降低经营风险，通过对跨行业的企业实行兼并，实现多元化经营。在此经济环境下，我国形成了许多企业集团。在企业集团中，? With the economic development in our country, the competition among enterprises is getting worse day by day. Some enterprises in order to reduce the purchase cost of raw materials, or access to a stable sales channels, large-scale mergers or the formation of its upstream and downstream enterprises; some companies in order to reduce operational risk, cross-industry mergers through the enterprise to achieve diversification. In this economic environment, many enterprise groups have formed in our country. In business groups,?