求翻译：购买者主要通过其压价与要求提供较高的产品或服务质量的能力，来影响行业中现有企业的盈利能力。一般来说，满足如下条件的购买者可能具有较强的讨价还价力量是什么意思？

Buyers mainly through their requests for lower prices and higher quality products or services, the ability to affect the industry, the profitability of existing enterprises. In general, satisfy the following conditions of purchase may have a strong bargaining power

Those who purchase mainly through its prices with demand for products with a higher quality or the capacity to affect existing enterprises in the industry's profitability. Generally speaking, are met by the Purchaser in conditions may have a strong bargaining power

The buyer mainly keeps prices down through it with the request provides the high product or the grade of service ability, affects in the profession existing enterprise's profit ability.Generally speaking, satisfies the following condition the buyer possibly to have strongly bargains back and forth t

Buyers largely through its rock bottom price and ability to provide high quality of products or services requested, to affect the profitability of existing business in the industry. In General, these conditions the buyer may have stronger bargaining power

The buyer mainly demands a lower price and demands to offer the ability of higher products or service quality through it, to influence the profitability of existing enterprises in the trade. Generally speaking, the buyer who meets the following condition may have stronger strength of bargaining