The beauty of mathematics is that it allows us to see patterns and structures in the world that are not immediately obvious.
最可持续的森林是依赖它的社区所重视的森林。
It is India that gave us the ingenious method of expressing all numbers by means of ten symbols, each symbol receiving a value of position as well as an absolute value.
能源的未来是多元化的。没有任何单一能源可以满足世界的所有需求。我们需要所有能源协同工作。