21.   But analysts said the technology could still hurt Web sites trying to keep users on their site.

22.   But its chairman said the panel was willing to consider any proposals to liberalize the regulations that keep Internet users from seeing materials on politics, religion and sex.

23.   Dutch justice authorities tolerate coffeeshops, arguing they allow police to keep tabs on the soft drugs trade and keep cannabis users away from hard drugs such as heroin.

24.   Dutch justice authorities tolerate the shops, arguing they let police keep tabs on the soft drugs trade and keep cannabis users away from hard drugs such as heroin.

25.   Lycos and its competitors are trying to keep users coming back by becoming one-stop-shops that offer everything from e-mail to news to stock tips.

v. + user >>共 400
provide 4.23%
allow 3.28%
attract 2.87%
connect 2.73%
prevent 2.66%
notify 1.84%
protect 1.71%
keep 1.71%
link 1.71%
charge 1.71%
keep + n. >>共 1280
eye 3.35%
job 1.84%
inflation 1.55%
promise 1.50%
record 1.49%
peace 1.48%
people 1.41%
watch 1.18%
control 1.14%
distance 1.13%
user 0.07%
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