"We hear on all sides that we're not teaching enough mathematics, and the Chinese are running rings around us," Hacker says.
“我们从各方都听说了我们在数学方面的教学不足，而中国人在这方面遥遥领先。”哈克说。
Steve Jones is an environmental expert who says that we could not survive without all the plants and animals around us.
环境专家史蒂夫·琼斯指出，离开周围的动植物我们将无法生存。
Steve Jones is an environmental expert who says that we could not survive without all the plants and animals around us.
环境专家史蒂夫·琼斯指出，离开周围的动植物我们将无法生存。
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