But you have to submit your test scores, you have to write some essays, like why you want to go to Brown.

但是你必须提交你的成绩单，还要写一些文章，例如你为什么选择布朗大学。

被学问的自由所迷住 - SpeakingMax英语口语达人

I'm not sure why it's not S for save but it's write out and that means save.

我也不明白为什么不用S代表“保存“而是用“写出“,“写出“也就是“保存“啦。

哈佛公开课 - 计算机科学课程节选