Macroeconomics 11th Edition by Michael Parkin

تمرين 36

Use the following news clip to work the Problems.
Dollar Under Pressure Amid QE2 Speculation
Persistent speculation that the Federal Reserve would soon embark on a fresh program of long-term asset purchases-a second round of quantitative easing or QE2-kept the dollar under pressure in the foreign exchange market ahead of crucial U.S. employment data.
What does the news clip mean by "the dollar under pressure"?