正当理由用英语怎么说？

正当理由

例句

• Do you have valid reasons for your absence? 你的缺席有正当理由吗?
• Fred has given me no good reason for wanting to break up our marriage. 弗雷德没能给我一个想要结束我们婚姻的正当理由。
• I think it is a totally unwarranted waste of public money. 我认为这是毫无正当理由地浪费公款.
• An absence without adequate excuse could result in the suspension of a financial stipend. 无正当理由的缺课者可能要受到停发津贴的处罚.
• To me the only justification for a zoo is educational. 对我来说，动物园存在的唯一正当理由是其教育作用。
• They put forward many valid reasons for not exporting. 他们提出了很多不出口的正当理由。
• Sally , those were an unwarranted diatribe one more times t IT! 莎莉, 你讽刺她是无正当理由的.
• They put forward many valid reasons for not exporting... 他们提出了很多不出口的正当理由。
• To me the only justification for a zoo is educational... 对我来说，动物园存在的唯一正当理由是其教育作用。
• This does not justify the denial of constitutional protection. 这不能成为剥夺他人受宪法保护权利的正当理由。