Even their jobs are a mission to improve the world.
甚至他们工作的使命就是改良世界。
They lose themselves in their desire to change and improve the world.
他们在自己试图改变和改进世界的渴望中迷失了自我。
That information can be used to improve your daily life and improve the world around you.
这些信息可以被用于改善你的日常生活和你周围的世界。
He called for nations to work together to improve the world economy.
VOA: standard.2009.04.03
During the late 19th century, she traveled around the world to learn about foreign cultures and improve her knowledge of art.
VOA: special.2009.01.11
Joseph Pulitzer bought the New York World in eighteen eighty-three and used it to improve the lives of workers and the poor.
VOA: special.2009.04.20
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