Defying efforts by policymakers on both sides of the Atlantic at restraining it, the United States dollar, continuing its rise, reaching its highest level in six years against the German mark.
at restraining it, the United States dollar, continuing its rise, reaching
at restraining it, the rise of the United States dollar continued, to reach
at restraining it, the United States dollar continued rising, and it reached
to restrain it, the United States dollar continued its rise, reaching
to restrain it, the United States dollar is continuing its rise, and to reach
第一个effort to do是习惯用语,第二个it 多余
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