Monogamy is a possibility - and a necessity.
一夫一妻制不仅是可能的，而且是必要的。
Monogamy is a possibility - and a necessity. Kids have got to have something they can rely on. You have got to have something you rely on.
一夫一妻制不仅是可能的，而且是必要的。孩子们必须有所依靠；你也必须有所依靠。
This is, of necessity , a brief and incomplete account.
这必然是一份简略的、不完全的描述。
The fund-raising ability is largely a product of experience and necessity.
筹集资金的能力在很大程度上是经验和必要性的产物。
Using alternative fuels and improving energy efficiency is thus both an ecological necessity and a technological challenge.
因此，使用替代燃料和提高能源效率既是生态需要，也是技术挑战。
Globally, knowing more than one language is viewed as an asset and even a necessity in many areas.
从全球来看，掌握一门以上的语言在许多领域被视为一种优势，甚至是一种硬性的要求。
My husband and I watch movies from the library on his laptop, which relieves us of the necessity of owning a TV and a stack of DVDs.
我丈夫和我在他笔记本电脑的库中看电影，这样可以缓解我们两个去拥有一台电视机和一堆DVD碟的必要。
Ruth and I started bickering after she bought sponges-not a necessity in my book-at the 99-cent store.
露丝和我大吵了一架，因为她在99美分商店了买了海绵擦，而在我的字典里它不是必需品。
The vehicle is a necessity both to the individual and the family.
交通工具（车）不论对于个人还是家庭来说都是必要的。
Over the decades it has lost its negative connotations and is now taken as a necessity of survival.
经过数十年的变迁，这个词失去了其负面含义，现在它被理解为一种生存的必要。
Congress alone can deal with them and if we are unwilling or unable there will soon be a trust for every product and a master to fix the price for every necessity of life.
国会可以独自应对它们，如果我们不愿或无法解决这个问题，那么很快每一种产品都会有托拉斯，每一种日常生活必需品都会有人来操纵定价。
There are two kinds of abstraction layers: a hardware one, and its necessity is obvious, then there is a platform abstraction layer to make use of the best features a platform provides.
有两种抽象层：硬件抽象层及平台抽象层，前者的必要性显而易见，而后者的目的是充分利用平台所提供的最佳特性。
As a matter of both preference and necessity, then, Indian's banking system will become more linked with the world.
不管是从偏好，还是从必要性来说，印度的银行系统都要更多的和世界联系起来。
It's not an optional nicety for people who are into that kind of thing, it's a universal necessity for relationships and for your own health and sanity.
谅解他人不是当事人可做可不做的好事，而是一种维持良好关系、保持身心健康的普遍需要。
Being familiar with technology is not an option but a necessity for present and future generation.
对现在和将来的一代人而言，熟悉技术不是一项选择而是生活必需。
The joy of the necessity defence, however, and the joy of a jury, is that we know better.
可是呢，必要性辩护的乐趣，还有陪审团的乐趣，才是我们更加谙熟于心的东西。
Corporate and it systems agility is not a luxury, but a necessity.
公司和IT系统敏捷性不再是奢侈品，而是必需品。
In 1632, and for many years after, the Tuttle farm was a necessity.
在1632年以及之后的许多年，塔特尔农场不可或缺。
Hunting foxes started out as a necessity: left unchecked, the animals were a pest that would kill farmers' chickens and sheep.
捕猎狐狸一开始是必要的：不去管它的话，这些动物就成了有害的动物，会杀害农人的鸡和羊。
No sort of mechanistic rationalism is ever possible and there is a strong hatred of the idea of logical necessity.
机械式的惟理主义在这里是永远不可能的，而且对于逻辑的必须概念都抱着一种憎恶的态度。
Yet the operation is a matter of choice and not necessity.
其实这个手术只是一种选择，还没到非做不可的地步。
Sampling and interviewing respondents by cell phone is now a necessity if telephone surveys are to provide valid, reliable and representative data.
如果想通过电话调查提供有效、可靠和有代表性的数据，现在有必要开展移动电话抽样和采访工作。
Necessity and oportunity may make a coward valient.
需要和机会可能使懦夫变成勇士。
Think of public responses and visible explanations as a last case scenario, and use these tools and tactics to ensure that you're never put in a position where it's a necessity.
把公众反应和可见的解释看做最后的局面，并使用这些工具和策略来确保你永远不会处于一个必要的境地。
Artifacts capturing the requirements, architecture, tests, and defects of a system are a necessity for communication.
获取需求，架构，测试以及系统缺陷的产品对交流都是必需的。
Artifacts capturing the requirements, architecture, tests, and defects of a system are a necessity for communication.
获取需求，架构，测试以及系统缺陷的产品对交流都是必需的。
应用推荐