计算机系统安全是指应用系统具备访问控制机制,数据不被泄露.丢失.篡改等。
错误
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提单收货人一栏内填写了“Order”字样的提单称为()
Theletterwesentlastweekisanenquiry_______colorTVsets.
Afterunpackingthecasewefoundthegoodsdidnot____withtheoriginalsample.
“Wecanassureyouthatourproductsareofthebestquality.”怎么翻译?
Weregretwecannot____youinthisrespect.