Only two chose not to log on, citing security concerns.
有两个人因为安全考虑未进入。
This was perhaps partly because so many star athletes had pulled out, citing security concerns.
这可能是因为太多明星运动员因担心安全问题而退出比赛。
McCallie's team is not convinced, and has asked to see the FAA's test data - which the agency has so far refused to make public, citing security concerns.
McCallie的研究小组并不相信,他们要求查阅联邦航空局的测试数据-联邦航空局到目前为止以安全为由拒绝公开数据。
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