凯利公式最准确的使用方法简介：The class is like this. There are always a few troublemaking students. They may not be bad-hearted, but they just wanted to attract more people's attention during their youth in high school and have been independent since then.
The class is like this. There are always a few troublemaking students. They may not be bad-hearted, but they just wanted to attract more people's attention during their youth in high school and have been independent since then.
