动词
中文翻译：减少
同义词：
['decrease', 'diminish', 'lessen']
例句：
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1.The population has been reduced by 20% since the introduction of the new policy.
自从实施了新政策以来，人口已经减少了20%。
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2. The cost of living has been reduced by the government's subsidies.
政府补贴降低了生活成本。
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3.The amount of oil used in transportation has been reduced to save energy.
为了节约能源，运输中使用的石油量已经减少。