1、 They are playing an increasingly important part [role] in safeguarding peace.
他们对保卫和平起着越来越重要的作用。
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2、 "I know these are tide times," she added, "but everyone agrees on the importance of safeguarding our employees and members of the public who come into the building."
“我知道现在正是情绪容易激动的时期，”她补充说，“但每个人都认同保护进入大楼的员工和公众成员的安全十分重要。”
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