乳制品行业必须发展以满足下一代的需求。
The dairy industry must evolve to meet the needs of the next generation.
The true teacher defends his pupils against his own personal influence.
竹简和丝帛文献的研究为了解中国古代文明打开了一扇新的窗口。
The true cost of coal must account for both its immediate value and its long-term impact on communities and ecosystems.
数学不是沿着一条清理干净的高速公路小心翼翼地行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。