81.   But whether the human subjects gave their consent, and whether they knew what risks were involved if they did, remains unclear.

82.   But withdrawal also involves major risks for the west.

83.   Ron Ben Yishai, military expert for the daily Yediot Aharonot, criticised President Bill Clinton for ordering a staged and limited operation which he said involved extra risk.

v. + risk >>共 497
take 13.91%
reduce 12.96%
increase 8.50%
run 5.86%
pose 4.71%
carry 3.83%
raise 2.50%
minimize 2.25%
face 2.20%
lower 1.85%
involve 0.90%
involve + n. >>共 1558
people 1.62%
use 1.38%
child 1.14%
company 0.88%
group 0.82%
member 0.72%
official 0.71%
thousand 0.71%
woman 0.70%
player 0.68%
risk 0.58%
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