11.   For Saroka, the biggest payoff is receiving enthusiastic letters from customers, often with photos of smiling children holding giant moths.

12.   The biggest payoffs in efforts to improve economic forecasts are likely to come from raising the quality of the data collected, Federal Reserve Chairman Alan Greenspan said Tuesday.

13.   The study was able to tell how much activity had the biggest payoff.

a. + payoff >>共 197
big 11.32%
alleged 6.73%
illegal 6.73%
potential 6.30%
political 4.44%
real 3.44%
huge 3.15%
widening 2.29%
bigger 2.01%
economic 2.01%
biggest 1.86%
biggest + n. >>共 920
problem 4.26%
challenge 2.57%
loser 1.56%
gain 1.55%
gainer 1.52%
threat 1.46%
difference 1.29%
concern 1.18%
obstacle 1.17%
change 1.08%
payoff 0.06%
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