ensure security/von
v. + security >>共 638 个
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%
ensure 2.10%
ensure + n. >>共 747 个
safety 9.46%
security 5.85%
stability 3.81%
success 2.51%
survival 2.45%
compliance 2.45%
supply 2.16%
peace 1.89%
access 1.66%
continuity 1.36%
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