If you have a function of 30 variables, things work the same way, just longer, and you are going to run out of letters in the alphabet before the end.

如果有一个30个变量的函数，什么都一样，只是式子长了点，你还会用完字母表中的所有字母。

youdao

Expect it to hit some time before the end of 2011. (All Things d).

预计它将于2011年末的某个时候正式面世。

youdao

The proactive teacher has planned her lessons so that she has a few minutes at the end of each period to get things ready for her next class before passing time.

的老师先计划好他的课程，所以每节下课前几分钟，他会利用交接时间前，把下节课需用的东西准备妥当。

youdao

kind of one of those things that happens right before you at the end of the year,

在年底毕业之前，这样的过程也会发生，

实习生到正式员工 - SpeakingMax英语口语达人

If they fail to strike a deal, post-war Germany's second grand coalition risks going down in history as a failure, for there will be little time to put things right before the end of its term.

ECONOMIST: Doubts are growing about Angela Merkel, at least at home

But those are things that have to get done before the end of the year.

WHITEHOUSE: Press Briefing

Consequently, it has been taken for granted that the natural order of things is for QE2 to be ended, replaced, or modified well before the end of near-zero Federal Funds sometime late this year, next year, or the year after.

FORBES: The Time Has Come To Raise Interest Rates