译You know that the cost of production has been skyrocketing in recent years.
题目
译You know that the cost of production has been skyrocketing in recent years.
答案
你得知道这几年来,成本已经"一飞冲天"了.
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我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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