如果你想去上1点的课，你可以这样做，但是一定要和我的助教安排一下。
If you want to go to class at 1:00, you're welcome to do so, but please arrange it with my assistants.
但让我感到奇怪的是，一开始电影音乐并不一定要与屏幕上的一致。
What's strange to me though, is that at first film music didn't necessarily correspond to what was on the screen.
一定要在你的笔记中包含老师重复或写在黑板上的信息。
Be sure to include in your notes information that your teacher repeats or writes on the blackboard.
如果一定要来，我们至少要成双成对地来；那我们基本上就没事了。
If we have to come, we come in couples, at least; then we're generally all right.
如果Hiccup 冒着危险去和这条龙做朋友，那它一定要是世界上最可怕的巨龙。
If Hiccup was going to take a risk and befriend a dragon, it had to be the most frightening dragon in the world.
如果你的家庭作业涉及到上网，而你没有自己的电脑，那么一定要在家庭电脑上“预定”一些时间，或者可以在学校图书馆使用一台。
If your homework involves going online and you don't have your own computer, make sure you "book" some time on the family computer, or can use one in your school library.
我们一定要争一口气，把祖国工业上这项空白填补上。
We are determined to bring credit to our country by filling this gap in our industry.
租车比买车也复杂得多，所以一定要仔细阅读租约条款，保证读明白了你即将签字的那份租约上的每一条。
Car leasing is also more complex than buying so always closely read — and be sure you understand — every proviso of the lease contract before you sign.
例如，设计路面的工程师并不一定要把他们的尝试完全建立在实验的基础上，而是能用其他人的结论作为参考。
For example, engineers designing a pavement do not have to base their attempts entirely upon experimentation, but can use reference sources that describe the conclusions of others.
但我却不能从《血色子午线》上转过脸去，因为我知道该如何去读以及为什么一定要去读这本书。
But I cannot turn away from Blood Meridian, now that I know how to read it, and why it has to be read.
所以信息和知识一定要对你，适用，在必要的时候，来做生意上的决策。
So information and knowledge has to be suitable for you to make your business decisions when you need to make them.
在列举曾做过的工作时，一定要将焦点放在招聘负责人希望看到的内容上（当然，不要撒谎）。
When you are listing your bullet points beneath each job title, really focus on what that recruiting director wants to see (without lying, of course).
因此，要注意的是一定要确保画布对象已经全部渲染到屏幕上；否则输出文件将是空的。
Therefore, take care that the Canvas object in fact has been rendered to the screen; otherwise the output file will be empty.
他表示虽然展望2020的目标“不表示一定要在美国市场来自非空客利润达到同等水平……非空客部门或是世界上其他市场很难达到这一水平”。
He says although the Vision 2020 target "doesn't imply that you have to get that level of [non-Airbus] revenue in the us... it's very difficult to get it organically or from the rest of the world".
不莱梅在财政上很吃紧，但并不是一定要出售他，不过现在不莱梅的预算宽裕了不少。
Werder Bremen have some financial problems and, although it was not a must to sell him, they are a little relieved for their budget now.
一定要回复每一条你博客上的评论，而且如果你发现其他人的博客上提到了你的博客，要回贴感谢博主。
Always respond to comments on your blog and when you detect a mention of your blog on another blog, thank that blogger in the comments of the post.
一定要注意，确定性因子实际上是一个统计学概率的估计值，表示正确识别目录的概率。
It is important to note that the certainty factor is actually an estimate of the statistical likelihood that the category was identified correctly.
然后有三张专辑一定要放在一起听，虽然每张专辑上都有特别要注意的歌。
And then the three that follow really have to be heard as a whole, though there are particular songs on each of those albums.
为了保证你不断的提醒自己你指定的时间，一定要确保 你会每天都看的日历上的信息是有效的。
To keep yourself reminded of the time you've designated, make sure this information is available on the calendar you're most likely to look at daily.
如果你不小心把红酒，或是别的什么洒在了白短衫上，一定要克制住自己冲进卫生间把冷水泼上去的冲动。
When you spill red wine on your white blouse — or anything else for that matter — resist the urge to run to bathroom and splash cold water on it.
不管你相不相信，这里的冰激淋在世界上数一数二，其中牛奶焦糖口味和马尔白克口味冰激淋是一定要品尝的。
Believe it or not, the ice cream here is among the best in the world, and dulce DE leche and malbec flavors are absolute must-haves.
房子的每一个细节都必须符合国家公园的规定，在二楼的天花板上一定要有谷仓风格的采光窗。
Everything had to comply with the strict rules of the National Park and even had to have barn-style roof lights in the upstairs ceilings.
她说，这件事情给了我一个实实在在的教训，以后在博客上发牢骚之前一定要三思。
'This episode definitely taught me to think twice before airing grievances in the blogosphere,' she says.
实际上，有许多种方式来达到质量，而不是一定要有一个强壮的过程，例如全面质量管理或六西格玛。
In truth, there are many ways to achieve quality without a heavy-duty process, such as Total quality Management or Six Sigma.
不管你是坐在椅子上还是盘腿坐在地板上，一定要保证抬头挺胸。
Whether you sit on a chair or cross-legged on the floor, make sure that your spine is upright with head up.
一定要坚决地把时间用在关乎使命的行为上，减少在其他方面的时间投入。
Be ruthless about focusing your time on mission-critical activities, and de-emphasizing time spent on others.
最后，和简历上的其他部分一样，一定要仔细检查你的成就描述。
Finally, as with every other section of your resume, remember to carefully proofread the descriptions of your accomplishments.
最后，和简历上的其他部分一样，一定要仔细检查你的成就描述。
Finally, as with every other section of your resume, remember to carefully proofread the descriptions of your accomplishments.
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