You could create a custom logging file and write log messages to it, but why not use the tools that have already been provided for you?

您可以创建自定义日志记录文件并向其中写入日志消息，但是为什么不使用已经提供给您的工具呢？

youdao

It talks not only about the mechanics of how to write tests and allow them to drive your code, but also why test-driven programming is such a good thing.

该书不仅讲述了如何编写测试和让这些测试来驱动您的代码的原理，而且还讲述了测试驱动的编程为什么是一种好的编程方法。

youdao

But may I not write a note to tell him why I cannot come? 'she asked, rising to her feet.

“可是我可不可以写个短信告诉他我为什么不能去了呢？”她问，站起来了。

youdao

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

This painful but moving scene provides a clue as to why Mr Browner felt compelled to write this book and why the art of hospitality has come to matter so much to him.

ECONOMIST: Hospitality

Well, I think it's - I didn't write any songs in the old days, but after I met Leonard, he said why aren't you writing your own songs.

NPR: Judy Collins, From Both Sides Now

But it may help to write an instant obituary that at least mentions some practical and theoretical reasons why their report is likely to be dead on arrival.

FORBES: U.S. Government: Too Big To Succeed?