但涉及到使用蚊帐的问题，格兰·内斯特女士说研究无法证明这点。
When it comes to bed nets, Miz Glennerster says research shows no evidence of this.
欧内斯特·内格尔(1901-)是一位生于捷克斯洛伐克的美国科学哲学家。
Ernest Nagel (1901 -) is an American philosopher of science who was born in Czechoslovakia.
欧内斯特·内格尔(1901-)是一位生于捷克斯洛伐克的美国科学哲学家。
Ernest Nagel (1901 -) is an American philosopher of science who was born in Czechoslovakia.
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