good job, Bob!

What's ADDA

My boy ani't I your mom why I can't understand every word which you use

A=Analog D=Digital ADDA=數位類比轉換介面

problem is what's數位類比轉

簡單可以理解為音效卡

把數位訊號跟類比訊號之間做轉換

make money by yourself, my dear ,and then you can buy everything you want

哈哈XD

action and do something serious

don't forget my future is trace your step