以下的图片可以帮助你戒烟，甚至有效到可以保证这是你最后一次戒烟。

The images below will ease your way and help insure that this is the last time you ever need to go through the quitting process.

youdao

茅草屋按照英国的方式建造，可以使用20到60年，有效地抵御炎热。

Thatch which has been done the British way lasts from twenty to sixty years, and is an effective defiance against the heat.

youdao

这酸奶的有效期到11月20日。

The expiration date on this yogurt was November 20.

《牛津词典》

This is more well-established question of nurture, in terms of moving away from the way we normally teach to what is clearly more effective way.

这更是一种,培养方法问题，从我们平常的教学方法,转移到,明确的更有效的方法。

麻省理工公开课 - 媒体、教育、市场课程节选

One of the things we want to help you do is identify the different classes of algorithms, what their costs are, and how you can map problems into the most efficient class to do the computation.

我们想要教会你们的事情之一就是,学会辨别不同种类的算法，它们的代价是怎么样的，以及怎么样把问题映射到,最有效的算法种类中去做计算。

麻省理工公开课 - 计算机科学及编程导论课程节选

z So in our first case, our first extreme case, would be that the z effective that is felt by electron number 1, is going to be plus 1.

被1号电子感知到的有效的，是+1所以,我们所能做的是计算出，我们从这个。

麻省理工公开课 - 化学原理课程节选