Some uses of color in nature remain unknown, but one thing is for sure, color not only makes our planet beautiful but it is also necessary for our planet to live on.
颜色在自然界的一些用途仍然未知，但有一件事是肯定的，颜色不仅使我们的星球变得美丽，也是我们的星球得以生存的必要条件。
Money, accessories, and popularity may be nice perks to enjoy, but they are not necessary to live a happy life.
也许金钱、首饰、名声是享受生活的附属品，但它们不是快乐生活的必需品。
Regardless of your spiritual beliefs, purpose seems to be a necessary ingredient to live successfully.
不管你的精神信仰如何，目的似乎是人生成功的必要组成部分。
A minimalist is simply one who questions the necessity of things, and who tries to live with what's necessary, rather than with consumerism.
一个极简主义者，简单来说就是那些会询问每件物品必要性的人，或者是那些只靠必须品，不买多余消费品的人。
"Glycogen is necessary for thinking; it's necessary for muscle action; it's necessary just for the cells to live in general," says Dr. Naomi Neufeld, an endocrinologist at UCLA.
NaomiNeufeld医生UCLA的内分泌专家说：“糖原是思考的必需品，是肌肉活动的必需品，糖原是普通细胞存活的必要因素。”
So forget about the 100 things challenge, and instead just as yourself the questions. Is it really necessary? Can you live without it?
那么，让我们忘记这个列100件物品的挑战，只是简单的问你自己这些问题。这真的是必须品么？你能离开它么？
In this situation, you can back up the management server data to another live system, which you can bring online manually to take over management if necessary.
在这种情况下，可以把管理服务器的数据备份到其他活动系统，可以通过手动设置将备份系统联机以便接管管理工作（如果有必要的话）。
If not, you make the changes necessary to begin to live your life the way you truly want.
如果不是，由你来做些必要的改变，让你的生活变成你想要的那样。
You can live your life by design, but you must acknowledge your power in that, plan for it, and take the necessary actions.
你可以精心设计自己的生活，但也必须明白自己的力量十分有限，你能做的是制定计划并努力实现。
Access for everyone to the treatment they need is now recognized as absolutely necessary for people who live with HIV, and entirely feasible.
现在认为，人人获取所需的治疗不但对艾滋病毒感染者是绝对必要的，而且如果人人发挥其作用，也是完全可行的。
Obviously, there are times when it's necessary to be available, but otherwise, live your life.
很明显，有时候你确实需要随叫随到，但是在其他时间，好好过自己的生活。
All he tells us is that we are the polis animal by nature and that to achieve our ends, it will be necessary to live in a polis.
他只说到，我们是天生的城邦动物，为了达成目标，必需要住在城邦之中。
Take a good look at it and make the necessary compromises that will allow you to live with stability in the real world.
好好看一下它，然后做出能够使你在现实生活中稳定生活的妥协。
So it was no longer necessary to change the water in a tank for fish to live there. This led to the building of the first public aquariums.
所以，就没有必要再对养鱼缸中的水进行更换，这导致了第一批水族馆的兴建。
It is possible to live in the way you envisage is necessary for Ascension, as it requires no more than the intent to treat others as you would have them treat you.
以你们想像的方式生活是可能的，这对扬升是必要的，因为它要求的仅仅是对待他人正如你们想要别人对待你们那样的意图。
To really live, it is necessary to support the efforts of nature, to take actively from life, and not to act passively - wherever it flows.
要真正地活，需要支持自然的努力，主动地从生活中摄取，而不消极地行动—水流到哪儿就流到哪儿。
Often input and output levels necessary for quality recording do not match the requirements of the live mix, where stage volumes factor in to the overall room sound.
通常输入和输出的质量水平不匹配的记录必要的生活结构，在舞台的要求量因素，对整体空间的声音。
We have come from Garissa to live in Mathare, so my wife can get the necessary medication for the next two years.
我们必须从加里萨搬来马沙尔住，所以我太太在接下来的两年，可以取得需要的药物。
We will have no choice in which to live, understanding and familiarity withe-commerce is very necessary.
我们将别无选择地生活于其中，了解并熟悉电子商务是十分必要的。
We who live in developed countries have been blessed by having the resources and necessary organization to adopt health measures such as polio vaccinations.
我们生活在开发中国家，很幸运的得到资源同时有必要的机构采取保健措施，诸如小儿痲痹症疫苗。
People who live and work with animals tend to have a very realistic vision of life and death, and they know that sometimes death is absolutely necessary.
与动物一起生活和工作的人对生和死的看法往往很现实，他们知道有时候死亡是完全必要的。
HTML5 also lacks the "robust video streaming" necessary for streaming full movies and live events, as has become more and more common on YouTube.
HTML5仍缺乏用于播放整部电影和现场活动所需的视频播放能力，而这样的内容在YouTube上越来越常见。
A willingness to change: it is one thing to want to live a better life, but are you really willing to make the necessary changes? The following quote explains this concept perfectly.
改变的意愿：想要过更好的生活是一回事，但你真的愿意作出必要的改变吗？
Today, if you want to live a better life, adjusting yourself to the society is absolutely necessary.
如今，如果你想要生存的更好，适应社会是绝对必要的。
They have supported me, given me necessary criticism, and taught me a great deal about how to live my life.
他们都支持我，给了我必要的批评，并教了我很多关于如何过我的生活。
Not really. I can live without it. It just makes people's life colorful. It is not so useful and necessary like microwave ovens.
并不是很重要，没有新发明我也可以过得很好。新发明只是使人们生活更多姿多彩，而并非非常有用和必要的，比如说微波炉。
If necessary, people who live in the area where an earthquake is about to occur may sleep in tents.
如有必要，生活在将要发生地震地区的人可以睡在帐篷里。
If necessary, people who live in the area where an earthquake is about to occur may sleep in tents.
如有必要，生活在将要发生地震地区的人可以睡在帐篷里。
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