名词
中文翻译：次级乘数
同义词：
['secondary factor', 'secondary variable例句：1. The primary goal of this project is to reduce the carbon emissions by 20%.（这个项目的主要目标是减少碳排放量20%。）']
例句：
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1. The primary goal of this project is to reduce the carbon emissions by 20%.
这个项目的主要目标是减少碳排放量20%。
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2. The secondary market for this commodity is experiencing a surge in demand.
这种商品的二级市场需求正在激增。
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3.The secondary school education system is designed to provide students with a foundational knowledge base.
中等教育系统旨在为学生提供基础知识。