中文说明：2018美赛C题英文资料1（1军费）
English Description：
2018 US Championship question C English material 1 (1 military expenditure)
2018 US Championship question C English material 1 (1 military expenditure)
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中文说明：2018美赛C题英文资料1（1军费）
English Description：
2018 US Championship question C English material 1 (1 military expenditure)The-rationale-for-energy-efficiency-policy--Assessing-the-recogn_2017_Energy公众.pdf