The 155-page American edition of the book packs the intellectual heft of a much longer text.
此书的美国版本只有155页，但具有加长版的知智分量。
《柯林斯英汉双解大词典》
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The codes—which typically range in price from $80 to $155 per course—give students online access to systems developed by education companies like McGraw Hill and Pearson.