兴趣

donation, 国内的人没有这个习惯，只习惯盗版，破解

RStudio is a company dedicated to providing software, education, and services for the R statistical computing environment. We started RStudio because we were excited and inspired by R.
所以开源的工具，收费的服务。对代码的垄断在这个时代挣钱不容易了，培养用户，靠增值服务才能长久的挣钱。

是的，我看到了他们有R培训的一项。你的解释很有意义。感谢！