第三，这将在多大程度上改变美国在全球经济中的角色？

Third, to what extent will this alter the role of the US in the global economy?

youdao

学科是成熟了，但是“黑碳”和其它气溶胶在改变气候中扮演的角色仍然各个不同，既不确定，也就值得怀疑。

The science may have matured, but the role that black carbon and other aerosols play in the changing climate is still rife with nuance, uncertainty and doubt.

youdao

以及“改变了IT在商业中的角色”(70%)。

"Changed the role of it within our business" (70 percent).

youdao