21.   Yeltsin acknowledged the government needed to push ahead with additional economic reforms and crack down on corruption, considered a pervasive problem.

a. + problem >>共 705
serious 4.46%
economic 3.74%
major 3.48%
financial 2.66%
biggest 2.34%
technical 1.95%
only 1.92%
big 1.91%
potential 1.91%
real 1.87%
pervasive 0.06%
pervasive + n. >>共 220
influence 6.49%
corruption 6.28%
sense 5.63%
problem 4.55%
theme 2.16%
fear 1.95%
feeling 1.73%
violence 1.52%
pattern 1.30%
presence 1.30%
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