31.   What they did was make daily treks out to the airport, looking for their lost luggage.

a. + luggage >>共 140
checked 17.11%
lost 10.40%
overhead 5.70%
carrying 2.01%
carryon 1.68%
heavy 1.68%
personal 1.68%
extra 1.34%
new 1.34%
soft 1.34%
lost + n. >>共 882
time 6.36%
ground 5.07%
revenue 4.74%
opportunity 2.41%
wage 2.19%
job 1.95%
money 1.86%
business 1.79%
soul 1.79%
control 1.64%
luggage 0.69%
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