| 1. | Their concern seems to be unwarranted .
他们的担心似乎是没有必要的。
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| 2. | Of course it concerns neither of them .
双方自然都没有把自己摆进去。
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| 3. | He kept back the news concerning the war .
他不发表有关战争的新闻。
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| 4. | I am concerned that they may have got lost .
我担心他们可能迷路了。
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| 5. | Conversations were concerning sunstroke .
谈起话来，总离不了中暑。
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| 6. | As far as i am concerned the matter is closed .
对我来说，事情已了结。
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| 7. | He is the head of a very good concern .
他是一家有信用的商号的负责人。
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| 8. | What are your main concerns as a writer ?
你身为作家，对什么最感兴趣？
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| 9. | His concern for the poor is only a pose .
他对穷人的关心仅仅是个姿态。
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| 10. | Our second concern is with shot noise .
第二个要讨论的是散粒噪声。
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