Mindey, 
Open-Source Tax
Just like there is a carbon tax to care about making oil companies care about environment, the "Open Source Tax" would be a tax, that is applied to companies for using open source software, and re-distributed to foster open source ecosystem.
+[项目]
也许还应该征收研究税，使研究人员（尤其是公立大学）为公众创造利益。
Maybe there should be also research tax, cause researchers (esp. in public universities) create good for the public.
确实需要一种重新投资开源软件的方法。我以前想到过开源订阅。但是，当它似乎免费时，请人们付款。
There does need to be a way to re-invest in open source software. I thought of an open source subscription before. But getting people to pay for it when it seems free....