between and等於詞組from…to，例如：
1、She doesn't understand the difference between right and wrong.她不能明辨是非。
2、This model represents the best compromise between price and quality.這種型號是價格和質量間的最佳折中方案。
3、The number of new students decreased from 210 to 160 this year.今年新生人數從210減少到160。
