如果在这期间没有做到，我的意见是这个时间表无关紧要。

If that timeline is not met, in my opinion it won't matter.

youdao

如果你还没有做到以上几点，看起来有很多需要改变的地方。不过不用恐惧，让我来分享一下我的经验，通过6年的时间我都做到了。

This might seem like a lot to change, if you're not already doing these things, but let me share something with you: I changed all of these in the last 6 years.

youdao

如果必须提前数月告诉某人某个软件项目要花费多长时间，而且必须精确到天，那么我几乎不可能做到这一点。

Very rarely can I tell someone months in advance how long a software development project will take, if I have to be accurate to the day.

youdao