1.   If it enhances our security we feel things like joy and peace.

2.   Investment in the military by a state enhances its security only at the expense of its neighbours.

3.   Swipe cards are used to enhance security.

4.   Laws designed to enhance national security that some regard as inimical to cherished freedoms.

5.   American embassies in several Arab capitals also issued warnings for Americans to enhance their security.

6.   Americans are not in the habit of looking to Russia for help in enhancing our security.

7.   And are there other ways to enhance security?

8.   As Western companies work to protect copyrights and enhance the security of information they collect, new techniques for control of Internet communication are being developed every day.

9.   ATLANTA - Delta Air Lines is testing two new devices to enhance security inside airliner cabins.

10.   Besides the street closings, the others include a review of civil air traffic rules to enhance security without hindering legitimate traffic.

v. + security >>共 638
tighten 8.10%
provide 7.43%
step_up 5.27%
improve 4.37%
sell 4.33%
increase 4.28%
beef_up 3.25%
buy 3.22%
threaten 2.30%
guarantee 2.22%
enhance 1.06%
enhance + n. >>共 860
performance 3.83%
security 2.97%
value 2.44%
cooperation 2.44%
chance 2.05%
image 1.96%
reputation 1.75%
safety 1.49%
ability 1.31%
competitiveness 1.31%
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