Mike Lizotte of American Meadows, an online store, says before you start, you need know whether to plant tender bulbs or hardy bulbs.

VOA: special.2011.04.12

You've got to spend the time to make sure that everything is well defined before you start trying to work out these problem More about the path. There are a couple ways you could go through that pass If I look at this smooth path here.

你要花时间确认,在你开始尝试解题前,切已经被很好地定义,关于路径还有些问题,你可以用两种不同的方式经过这条路径,看这条平滑的路径。

麻省理工公开课 - 热力学与动力学课程节选

The water soluble vitamins tend to be used more immediately by the body not stored and excreted through the urine if consumed in excess, so the body can tolerate more variation in intake of these before you start getting toxicity than is the case with the vitamins on the right.

而水溶性维生素往往都立刻被身体所利用,不会被机体储藏,过剩部分由尿液排出,因此机体耐受过量水溶性维生素的能力,相比起右边这栏里的脂溶性维生素,可是要强得多了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Those of you more comfortable, rest assured we'll start filling in some gaps before long if you're already familiar with this.

那些程度比较好的同学，我们马上来讲一下以前遗漏的问题,如果你们已经熟悉这门课，那会觉得那容易接受。

哈佛公开课 - 计算机科学课程节选

And actually before we start into today's topics, I want to remind everyone and hopefully you all do remember that our first exam is coming up and it's coming up in exactly a week, so it'll be a week from today, next Wednesday.

实际上在这之前，我还要提醒大家一下,希望大家都记得,我们的第一次考试就要到了,就在下周，距离今天正好一周，下周三。

麻省理工公开课 - 化学原理课程节选

So before, because of all these anti-business rhetoric, once you start intervene, s not just the question of the merit of the particular intervention, s the fact that nobody knows ll be intervening again.

所以之前，因为反商业言论，一旦你开始干预，问题就不仅仅在于，it’,某一桩干预事件的好处，而是没人能预料，it’,政府何时又会出手，when，you’

斯坦福公开课 - 经济学课程节选

Alright, so maybe a little underwhelming and we saw already what this program is going to do but let's just go through this process once before we start doing more interesting things and then we'll come back and at least give you a hint of what some of these syntactic details are doing.

好吧，这个程序也许太平庸了，让人印象不够深刻,我们也知道这个程序是干嘛的,在我们开始更有意思的事情之前,让我们再来讨论一下整个过程后再回来,这些语法细节到底是在做什么呢？,先给你们一点小小的提示。

哈佛公开课 - 计算机科学课程节选

for exam 2, you still need to know and understand everything you learned in exam 1, but you can put off learning it completely until we get through, at least, next Wednesday before we start maybe spending time on these concepts outside of class.

为了掌握第二次考试的内容，你仍然需要知道和理解,在第一次考试前所学的全部知识，但是你可以先放一放，等到我们进行到，至少在下周三我们可能开始不在课堂上,讲这些内容之前。

麻省理工公开课 - 化学原理课程节选

Oh, and actually before you skip your page in the notes, I realized I should write out for you what the addition is to start with. So, when we're combining two waves, 1sb what we have is 1 s a that we're adding together with 1 s for b, the second atom.

在你们翻过这页讲义之前，我觉得我应该写出加法,当我们把两个波函数放在一起时，我们用1sa加上，第二个原子。

麻省理工公开课 - 化学原理课程节选