名词
中文翻译：生活成本
同义词：
['cost of living', 'living expense']
例句：
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1.The cost of living in New York is much higher than in other cities.
纽约的生活成本比其他城市高得多。
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2. The rising cost of living makes it difficult for many people to save money.
生活成本的上涨使得很多人很难存钱。
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3. The government has introduced a new policy to help lower the cost of living for low-income families.
政府已经推出了一项新政策，以帮助低收入家庭降低生活成本。