A mathematician is someone who uses an extensive knowledge of mathematics in their work, typically to solve mathematical problems. Mathematicians are concerned with numbers, data, quantity, structure, space, models, and change.
数学家是在他们的工作中使用广泛的数学知识的人，通常是为了解决数学问题。 数学家关心数字、数据、数量、结构、空间、模型和变化。
