n. + say >>共 480
official 17.88%
police 6.16%
analyst 4.36%
report 3.78%
source 3.33%
spokesman 3.05%
company 2.65%
expert 2.16%
authority 1.82%
government 1.60%
university 0.05%
university + v. >>共 607
be 11.20%
say 6.96%
have 6.37%
offer 1.96%
do 1.40%
plan 1.37%
use 1.34%
begin 1.34%
try 1.31%
take 1.24%
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