上课之前，你必须购买阅读材料。
You are required to purchase the readings before classes begin.
你必须购买有标有正规厂家生产的烟火。
唯一的缺点是你必须购买和安装两个版本的Windows。
The only downside is that you'd have to buy and install copies of both versions of Windows.
如果你决定使用新软件的时候，有时你必须购买最新的电脑。
Sometimes you'll have to buy up-to-date computers if you decide to use a new software.
要使用语音功能，你必须购买GTalk2VoIP网站学分。
To use voice capabilities, you have to buy credits from GTalk2VoIP site.
不能简单安装ChromeOS-你必须购买一个新的上网本。
You Can't Just Install Chrome OS - You Have to Buy a New netbook.
但是你必须购买公平交易咖啡产品认证，确保支付公平价格的咖啡豆，大家都喜欢。
However, you have to purchase fair Trade certified coffee products in order to insure that a fair price was paid for the coffee beans we all love so much.
当然，嘿，你必须购买VPS：-这篇也演示了如何同时运行Rails和PHP应用。
Of course, you have to pay for the VPS, but hey: - It's also demonstrated how you can run a Rails and PHP app side by side on the same system.
与老的方案，在那里你必须购买一个物理券从任何新加坡邮局，一切都变得容易很多，这些天。
Unlike the old scheme where you had to purchase a physical coupon from any Singapore Post Office, things are a lot easier these days.
而家庭高级版不能加入域，缺乏支持EFS和其他一些面向企业的功能，如果你两者兼得，你必须购买旗舰版。
Since Home Premium couldn't join a domain and lacked support for EFS and some other business-oriented features, if you wanted both, you had to buy Ultimate.
“迄今为止，如果你想要这一款光滑设计的笔记本你必须购买苹果笔记本，”英特尔超级本项目组主管GregWelch在上星期的发布会上说。
"To date if you wanted that sleek design you had to buy a Mac," said Greg Welch, director of Intel's Ultrabook group, in an interview last week.
要购买食物或问路，你就必须与当地人交谈。
To buy food or ask directions, you have to start a conversation with local peoples.
如果你必须从互联网上购买，要确保该网站是你所知道和信任的药店网站。
If you must buy from the Internet, ensure that the website is that of a pharmacy you know and trust.
你必须和当地人谈判来以更好的价格来购买你需要的东西。
You have to negotiate with the locals to get better prices to buy what you need.
你的广告必须能吸引注意力，激发消费者的兴趣，令人产生对你产品的欲望，并激励人们采取行动来购买你的产品。
Your ad must attract attention, stimulate consumers' interest, create a desire for your product, and motivate people to take action to buy your product.
记住，没有规定说你必须去体育中心或购买泳衣等装备。
Remember, there's no rule that says you have to go to a sports centre or buy equipment like swimming suits.
只购买你必须的东西。
为了成功的向她们推销，你必须比以往更加迎合这部分人群的情感和关切，甚至传统上由男人来购买的产品也是一样。
To be successful selling to them, you have to cater to their emotions and concerns more than ever before, even when selling products that men traditionally buy.
王凤英提倡这样的理念：在销售汽车之前，你必须证明自己的汽车值得购买。
Ms Wang advocates the notion that before you sell cars, you have to prove they are worth buying.
因此，你—男士们，无论如何，都必须在上述的公司中购买她们心爱的礼物。
As a result, you, the man, statistically anyway, must purchase her love with gifts from the aforementioned companies.
目前，Verizon应用程序部分并不允许任何特殊的购买选项，你依然必须使用GoogleCheckout账户。
Currently, the Verizon apps section doesn't allow for any special purchase options; you'll still have to use your Google Checkout account.
所以别忘了你必须为每个想看戏的人额外购买一副3d眼镜。
So don't forget you'll have to purchase extra pairs of 3-d glasses for each person who wants to watch the show.
在购买时，你可以用任何语言，但在销售时，你必须使用购买者的语言。
You can buy in any language but you have to sell in the language of the buyer.
因为有很多当代的服装是受到经典服装式样的启发，所以你必须保证你将要购买的一套衣服确实是经典服装。
With so much modern clothing that is "inspired" by vintage styles, you will want to be sure you are about to purchase an authentic piece of vintage clothing.
这里有些非常严格的、你必须遵循的指南，如果你购买了指南中的任何一样礼物，你有可能从15日开始将不会再拥有那个非常好的另一半。
There are very strict guidelines that you must follow and if you purchase any of the following gifts, the odds that you won't have a significant other for the 15th are very, very good.
简言之（这种倒退就是）：如果你是本地的商贩，我们就必须向你购买：如果你在市区工作，我们就必须雇用你；
In short: if you're local, we need to buy from you. If you work in town, we need to hire you.
如果你现在想购买一台电脑的话，有个额外的因素你必须考虑。
If you're shopping for a computer now, there's an added factor to consider.
如果你现在想购买一台电脑的话，有个额外的因素你必须考虑。
If you're shopping for a computer now, there's an added factor to consider.
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