求翻译：商业企业同时经销着成百上千个品种，多一个品种、少一个品种对商业企业的营业额影响不大，但在传统营销模式下，任何一个生产商或供应商都不能离开零售商。这种经营上的不平等，直接造成货款回笼的困难。其结果是生产商或供应商的利润空间不仅被大幅打压，而且大笔资金也被无偿占压。再加上我国信用市场建设滞后，坏帐死帐的风险更大，逃帐也不少见，而现金流则是一个企业的生命线。一方面是高昂的渠道费用使许多保健品企业因为进不去而焦虑难眠，另一方面即使进入却因为生命线时刻受到威胁而忐忑不安。是什么意思？

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The commercial department simultaneously is selling on commission hundred and thousand of varieties, many varieties, the few variety are not big to commercial department's turnover influence, but under the traditional marketing pattern, any producer or the suppliers all cannot leave the retail merch

Commercial enterprises and sells hundreds or thousands of varieties, more variety, and less on a variety of commercial enterprises would not seriously affect the turnover, but in the traditional marketing model, outlets of any manufacturer or vendor is unable to leave. This operation is not equal, d