人们有合理正当的理由担心，美国在这些基本学科上落后于其他许多发达国家。
There is considerable and justified concern that the United States is falling behind much of the rest of the developed world in these essential disciplines.
你打电话给我，最好有正当的理由。
为正当的理由做正当的事情？
但是她承认她有正当的理由不工作。
驱策你的不是贪婪，而是正当的理由。
警察有正当的理由逮捕她。
他有正当的理由生气。
我将坦率地说这是唯一我能想到的正当的理由。
I'll come right out and say it.This is the only legitimate excuse I can think of.
有什么正当的理由只支付给护士那么少的工资？
如果你想逮捕我，那请给我一个正当的理由好吗？
有很多正当的理由让删除账号变得更复杂：删除悔约。
This is one very valid reason to make it more complicated to delete an account: deletion remorse.
因而有正当的理由可以尝试降低前面的部分所暗示的成本。
Thus, there are legitimate reasons for trying to reduce the costs implied by the previous sections.
没有比这更加正当的理由在这一周里你要照顾好你自己了。
因此，希腊公司的投资者有正当的理由保护自己免受希腊主权危机风险。
So investors in Greek companies have legitimate reason to protect themselves against Greek sovereign risk.
“表演在本质上给了他们一个正当的理由去学习如何表达自己。”阿伦森说。
"Acting gives them an excuse, in essence, to learn how to express themselves," Aronson said.
此次内部预算削减在军事上有正当的理由，尤其是阿富汗战事需要周转资金。
There are sound military reasons for this internal cost-cutting, especially the need to redirect money to the war in Afghanistan.
他说他有正当的理由，就是去看看芝加哥的棒球场，况且双方队伍是很少对战的。
His justification was to see the Chicago ballpark.Plus, it was a match-up between two teams that rarely get to play against each other.
他说他有正当的理由，就是去看看芝加哥的棒球场，况且双方队伍是很少对战的。
His justification was to see the Chicago ballpark. Plus, it was a match-up between two teams that rarely get to play against each other.
如果任何人有正当的理由说明他们不能结合，请现在发言，否则就请永远保持安静。
If any one can show just cause why they may not be lawfully joined together, let them speak now or forever hold their peace.
在寻找真理的过程中，找出正当的理由是比反社会行为法令（ASBO）更强大的武器。
Reason is a far more formidable weapon than an ASBO in searching for the truth.
这也许是因为独特的回答能让面试官更容易记起你，而能被回忆起是一件好事，只要因为正当的理由。
This may be because novel answers are easier to recall and being memorable is a good thing—as long as it's for the right reasons.
例如，用户可能想要删除他们在您站点中的帐户(这显然是件遗憾的事情，他们想要离开，但是他们可能有正当的理由)。
For instance, users may want to delete their account on your site (obviously unfortunate that they want to leave, but they may have valid reasons).
他补充说，为了使这种研究具有正当的理由，它必须要回答下面两个问题中的一个：其一是它是否可以改变过去的解释？
For such research to be justified, he adds, it must answer one of two questions: Does it change our interpretation of the past?
我们确实可以请求援助，或希望其它船只提供帮助，但那要在沉船的极端情况下。假如没有正当的理由那是不可想象的。
Yes, we could summon assistance, expect other vessels to offer aid, and in effect be salvaged, but that would be devastating if without proper cause.
一位教育学家抱怨道：“我们宝贵的语言遭到了侵犯,其影响可以想象，而“追求效率”似乎使这种侵犯有了正当的理由。”
Some see this as a slippery slope down which “efficiency seems to authorise all imaginable offences against our dear language, ” as one educationalist grumbles.
一位教育学家抱怨道：“我们宝贵的语言遭到了侵犯,其影响可以想象，而“追求效率”似乎使这种侵犯有了正当的理由。”
Some see this as a slippery slope down which “efficiency seems to authorise all imaginable offences against our dear language, ” as one educationalist grumbles.
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