5小句翻译~

我自己翻的 请指教

Buyer Power:由于竞争对手的存在以及政治因素的存在，波音公司的顾客具有高度讨价还价能力
due to the presence of rivals and political factors, Boeing’s customers enjoy high capability of bargain.

Supplier Power：波音公司拥有众多供应商，供应商并无能力改变价格
Boeing has plenty of suppliers and they are incapable of changing prices.

Threat of New Entrants：由于航空制造业是寡占市场，所以新的竞争者想要进入市场并不容易，目前尚无明显新竞争者出现。
Since aviation manufacturing industry is an Oligopoly Market, the new entrants cannot easily enter the market, and there is no apparent Threat of New Entrants.

Threat of Substitutes：由于航空制造业的特殊性，目前没有替代品
there are no substitutes owing to the particularity of the aviation manufacturing industry

Degree of Rivalry：最大竞争对手为空客公司，竞争对手少但竞争激烈
The biggest rival is the airbus corporation, and we have few rivals but the rivalry is definitely intense.