名词
中文翻译：门槛
同义词：
['limit', "pivot例句：1. The company's profitability is at a threshold level.（公司的盈利能力处于临界点。）"]
例句：
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1. The company's profitability is at a threshold level.
公司的盈利能力处于临界点。
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2. The new policy will have a threshold effect on the economy.
新政策将对经济产生临界影响。
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3.The temperature has reached a threshold for melting snow.
温度已达到融化雪的临界点。