Of course it's lowering your share of the company, but offsetting this is that the company is taking in money from the person who bought the shares and so it doesn't dilute you.

当然这会降低你对公司的控股,但补偿是公司增大了股本,因为人们购买股份,不会摊薄你的那份

耶鲁公开课 - 金融市场课程节选

When you're working on your homework assignments, if your product, the thing you hand in was just S1 + S2, then you might think what?

比如你们两个人交一份作业,你们交上来的只是S1+S2,那你会怎么想

耶鲁公开课 - 博弈论课程节选