阿摩線上測驗
40. In many European cities, the economic contributions of business tourism 
from leisure tourism 
two to three times 
both a seemingly appropriate and rewarding sector for the former manufacturing cities to pursue.
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統計： A(2), B(9), C(11), D(5), E(0) #1088035
統計： A(2), B(9), C(11), D(5), E(0) #1088035
