求翻译：原因在于，一是英语几乎是国际商务谈判的主要语言，对他们没有交流的障碍；二是美国为经济大国，美元又是主要的国际结算货币；三是因为美国是政治上的强国，所有这些，使美国人对自己的国家有自豪感和优越感，这种感觉也会在商务活动和谈判中显露出来。是什么意思？

The reason is that First English is almost the main language of international business negotiations, they do not have a communication barriers; the United States largest economy, the dollar is a major international settlement currency; is because the United States is the political power, all of whic

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The reason lies in, one is English is nearly the international commercial negotiations main language, does not have the exchange barrier to them; Two is US is the economical great nation, US dollar also is the main international settlement currency; Three is because

Reason is that English is the main language of international business negotiations, no communication barrier to them; the second is the United States economy, the dollar is the key international currency; three because the United States is a political power, all these, national pride and superiority