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They had a secret understanding with other firms.他们和别的公司有一个秘密协议。
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888 unique
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unique主要有下列两种意思。
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独一无二的:
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As a writer he has his own unique style.作为作家,他有其独一无二的文体。
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Van Gogh was a unique painter.梵高是一个独一无二的画家。
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It was a unique experience.这是一次独一无二的经历。
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独特的:
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It was a rather unique little restaurant.它是一家相当独特的小餐馆。
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The salesclerk showed me a most unique necklace.售货员拿给我看一串非常独特的项链。
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The young author wrote a unique book about life in the city.那位青年作家写了一本独特的关于这座城市生活的书。
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889 unless
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unless有下列两种意思。
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除非……(否则就不),如果不(主句多用否定结构):
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Don’t come unless I telephone.除非我给你打电话,否则不要来。
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I shouldn’t dream of going unless you wanted me.除非要我去,否则我不会想去。
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I won’t write unless he writes first.如果他不先写信,我也不写。
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Unless I parted from Sheila, I could not keep up that struggle.如果我不和希拉分手我就没法坚持这一斗争。
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除非(有下述情况),除非……(否则会):
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You will fail unless you work hard.你会失败,除非你努力工作。
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I shall return Thursday unless something unexpected happens.我将在星期四回来,除非是发生意外情况。
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I’ll take the job unless the pay is too low.我将接受这份工作,除非薪水太低。
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Unless someone steps in they’ll make a mess of it.除非有人干预,否则他们会弄得乱七八糟。
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△在两种情况下,unless都等于if…not,引导的都是条件从句。因此在多种情况下里面动词都用一般现在时,在个别情况下用一般过去时。这从上面例句中可以看出。
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