求翻译：2007年美国次贷危机的爆发，使得危机发源地市场主要指数对全球其他主要市场指数也都产生了不同程度的风险溢出，而且各主要市场之间也互相存在着不同程度的风险溢出。是什么意思？

The U.S. subprime mortgage crisis in 2007, making the crisis, the birthplace of the main market index on the world's major market indexes also produced varying degrees of risk overflow, and all the major markets between each other, there are different levels of risk overflow.

In 2007 the US subprime mortgage crisis erupted, making the crisis originated in the global market is mainly for other major market indices have also had various levels of risk, and the overflow between major markets are the varying levels of risk.

In 2007 the American loan crisis eruption, caused the crisis place of origin market main index also all to have the varying degree risk overflow to the whole world other main market index, moreover between each main market also mutually has the varying degree the risk overflow.

2007 United States subprime mortgage crisis broke out, makes the main index on the global crisis home market other major market indexes have different degrees of risk overflow, and all the major markets also exist between different levels of risk overflow.

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