词典释义：
双语例句
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You have five to seven weeks (depending on when you get started) to write a short research paper that carefully examines the emergence and success of one business improvement district organization.
你有近五到七个星期（看你是何时开始）的时间写短篇研究报告，需仔细检视某一商业改善区域组织之兴起及其成功。