必须的

A philosopher must philosophize; that is to say, he must think reflectively on life, and then express his thoughts systematically.

哲学家必须进行哲学化；这就是说，他必须对于人生反思地思想，然后有系统地表达他的思想。

It must be triangle shaped with black pictogram on yellow background with black edging (yellow must be at least 50 % of the panels surface).

必须采用三角形、黑色图案、黄色背景、黑边（黄色必须占标识牌面积的50％）。

Goodbye, Joe, he gotta go, me oh my oh. He gotta go pole the pirogue down the bayou.

和乔道别，他必须离去，我的老天，他必须离去，驾驶小船驶下密西西比河。

You must find the solution ,if not unfair to seller to support at every price Platt.

因为这样我必须支持在中国口岸运输如果对于卖方来依照单价Platt不公平，你必须找到一个合理的解决方法。

Since we're not a procedural, we have to keep everyone moving forward.

因为我们已经在制作中，我们必须要让所有的人都开始工作，我们必须要让剧情发展下去。

You have to know what you want most in order to know what to do first, and you have to know your goals before you can productively meet them.

要知道首先做什么，你就必须知道你最想要什么，在从生产力方面去达到之前，必须知道你的目标是什么。

RESULTS Through inspecting the pyrexia patients, confirming the risk factors, establishing prevent and control schemes, promoting the hospital disinfection management to guarantee the nosocomial infection be controlled at the first t...

结果 通过对发热患者监测、危险因素确定、干预措施和控制方案制定等，确保了医院感染控制工作在应对 SARS事件第一时间内全面展开。结论 SARS的防治和监测必须坚持不懈，医院感染控制必须落实三级预防措施。

Some conclusions are drawn:instrument of the digital measure of radon must be standardized and only standardized by flow through radon gas source;gas flux of entering the scintillation chamber should be controlled or measured in the process of digital measure of radon.

指出对测氡仪器必须进行标定，而且必须用流通式氡气源来标定；在观测中应控制或测定进入闪烁室的气体流量。

I'm begging you, no matter what's happened, it's imperative that the DHARMA Initiative be reconstituted. You have to continue to research and you have to do it now.

我在这里请求你，不管发生了什么，达摩计划的重组势在必行，你必须继续进行研究并且你必须现在就开始行动。

Profits seen like they could be a remote possibility but a demand has to be created and developed, and customers have to be prompted to try the product.

利润见过像他们可能是一个遥远的可能性，但需求，必须建立和发展，客户必须提示尝试产品。

No clear conclusions can be made about the predictie alidity of specific measures, they found, except for criteria for the underuse of drugs for cardioascular disease.

除了心血管病不合理用药标准外，对于特定评价方法的预测效度没有明确的结论。

The third and last is that almost all of them, being infinite in number, have been impostures, and by idle and crafty brains merely contrived and feigned after the event past.

第三、即最后一点是：几乎所有这些不胜枚举的预言都是欺人之谈，都是在事件过后由无聊而狡猾的脑筋推测与凭空捏造的。