大多数数学书假定读者为：他们有一定程度的基础，已经有一个确定的“数学基础”等等。
Most math books are written with assumptions about the audience: that they know certain things, that they have a certain level of "mathematical maturity," etc.
他们也喜欢跟数数、字母表、形状和尺寸、动物或卡车有关的书，还有那些教他们说你好和再见的书。
They also like books about counting, the alphabet, shapes and sizes, animals or trucks and books about saying hello and goodbye.
他们也喜欢跟数数、字母表、形状和尺寸、动物或卡车有关的书，还有那些教他们说你好和再见的书。
They also like books about counting, the alphabet, shapes and sizes, animals or trucks and books about saying hello and goodbye.
应用推荐