• 1. first safety time: 第一安全时间

• 1.Teamwork improves with time: America's National Transportation Safety Board found that 73% of the incidents in its civil-aviation database occurred on a crew's first day of flying together.
  团队合作会随时间推移而改善：美国国家运输安全委员会发现，其民用航空数据库中，73%的事故发生在机组人员一起飞行的第一天。
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• 2.School safety must come first all the time.
  学校安全必须始终放在第一位。
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• 3.But this is not the first time that massey-the fourth-largest coal company in america-has come under fire for its safety practices.
  但这并不是第一次梅西公司——美国第四大煤矿企业，由于安全措施受到严重的批评。
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