written justification的意思|示意

With that aside, it is up to you; the reader; my audience, to decide whether or not you would like to read the justification that I have written for the piece.

因此之故，你、读者、我的听众，你将自行决定是不是要读我这篇声明稿。

Note: because there are a large number of game programming books written specifically for DOS, there may be some justification to developing games in DOS while learning from these books.

注意：因为有很多游戏编程的书是为DOS写的，学习这些书时可能会认为在DOS里开发游戏有理有据。