就是我们生活的必须品 --我们身体上的，物质上的需要，而这些东西让我们常常担心。
It's the necessities of life—our physical and material needs that we're always worrying about.
客观地来说，当我们吃不饱穿不暖的时候，我们首先只会考虑到如何来满足物质上的需要，也就是如何才能生存下去。
Objectively speaking, when we do not have enough to eat wear not warm, the first thing we will only consider how to meet the needs of material, which is how to survive.
为了使事业有成你需要多少工具及物质上的东西？
很显然，是上帝派你来的，A先生，因为上帝也派了X先生，Y女士，Z小姐来，他们为我们的工作提供了物质上所需要的东西。
It was clear God sent you, Mr. A, as he sends Mr. X, Mrs. Y, Miss Z, and they provide the material means we need for our work.
食物安全被定义为：在任何时刻，所有人在物质上和经济上都有能力获得足够的食物来满足他们的饮食需要，达到有生产能力的、健康的生活标准。
Food security is defined as the point when all people at all times have both physical and economic access to sufficient food to meet their dietary needs for a productive and healthy life.
没有任何其他文字涵盖所有这些先进的主题，但在这样一个严格的访问级别，所有你需要的是微积分和物质上的第一个本科课程在概率。
No other text covers all these advanced topics rigorously but at such an accessible level; all you need is calculus and material from a first undergraduate course in probability.
没有任何其他文字涵盖所有这些先进的主题，但在这样一个严格的访问级别，所有你需要的是微积分和物质上的第一个本科课程在概率。
No other text covers all these advanced topics rigorously but at such an accessible level; all you need is calculus and material from a first undergraduate course in probability.
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