41.   Sales of the two company stocks were delayed Monday for unexplained reasons.

a. + reason >>共 446
good 11.29%
main 6.84%
same 4.57%
political 3.46%
different 3.05%
only 3.02%
personal 2.99%
major 2.58%
real 2.20%
obvious 1.81%
unexplained 0.25%
unexplained + n. >>共 198
reason 9.09%
death 6.43%
explosion 4.21%
illness 3.33%
phenomenon 3.10%
bombing 2.22%
absence 2.00%
delay 2.00%
problem 1.77%
wealth 1.77%
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