If not for the message (this was about John Lennon's son), then for the memory you have of the very first time you heard this song.

如果没有这条消息(这是关于约翰·列侬儿子的)，在你的记忆中可能最先听到的是这首歌。

youdao

If you're designing your website for the first time and you have no knowledge on Internet marketing, seek the help of SEO consulting services to get better results.

如果你是第一次设计你的网站，而且你对网上营销没有任何的认识，向SEO寻求帮助已获得更好的结果。

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If you have a large system that will be upgraded over a period of time, you may want to disable the feature at first, to allow time to plan for user support and training.

如果您需要花费一段时间升级一个大型系统，可能需要先禁用该功能，以便先对用户进行支持和培训。

youdao

But for the next week or two when you're writing programs, at least for the first time, generally if you're trying Scratch to debug them like you might have been trying to troubleshoot Scratch, you're probably going to reason - through it by looking through the your code -- -- top to bottom, maybe engage a staff member for help -- but your friend will also be printf.

但是，在接下来的一两周内，当你们写程序的时候，或至少在第一次写的时候，通常如果你在调试程序,就像你们可能已经试着调试过,你们或许是通过查看你们的代码,来推断你们的程序-,从头到尾，可能还需要别人的帮忙-,但是你的朋友也将要打印输出。

哈佛公开课 - 计算机科学课程节选

"If you come to the island for the first time, you have several nights of torment, " says Ove Hoegh-Guldberg, a leading marine scientist with the University of Queensland.

NPR: Pacific Island Cultures Brace for Climate Change

Making any mistake once was OK, but repeating that same mistake a second time was NOT OK. The hard, fast rule was that if you made any mistake for the first time the entire team would have your back in fixing that mistake if anything went wrong.

FORBES: Good Employees Make Mistakes. Great Leaders Allow Them To.