如果我们开始比过去更加重视水的价值，水资源短缺就不会给世界带来麻烦。
Water shortages do not have to trouble the world — if we start valuing water more than we have in the past.
如果我们开始保持学校清洁，在清洁日就可以少做一些工作。
If we start keeping the school clean, there'll be less work to do on clean-up day.
如果我们看生命的长期趋势，如果我们开始说，演化要的是什么？
And if we take the long-term trends of life, if we begin to say, what does evolution want?
我们有些人担心如果我们开始表达意见不同，我们就将会失去朋友、家人。
Some of us fear that if we begin voicing disagreement, we'll lose our friends and family.
如果我们开始自我改良，也许能做更多事，但这样一来，我们仍是人类吗？
If we started to enhance ourselves, we might be able to do more, but would we still be human when we were done?
我相信，我们的生活质量也会有同样程度的提高如果我们开始关注情绪上的保健。
I believe that the quality of our life can be improved to the same degree if we start to focus on the emotional health.
我们将不会有一个劳动力短缺的美国人在19世纪后期，如果我们开始大规模建设。
We will not have a Labour shortage as the Americans did during the late 19th century if we start massive construction.
但如前一层次，如果我们开始感到易受攻击，可以说，我们已经改变了观点或想法以免发生冲突或受伤。
But like the previous level, if we begin feeling too vulnerable, we can say we've switched our opinions or changed our mind in order to avoid conflict or pain.
如果我们开始在每天的生活中采取一些小措施来留意我们对塑料的使用，我们就可以在减少塑料依赖性中发挥作用。
We can all play a role in reducing our dependence on plastic, if we started to take some small steps in our everyday lives to be mindful of our plastic use.
如果我们开始在每天的生活中采取一些小措施来留意我们对塑料的使用，我们就可以在减少塑料依赖性中发挥作用。
We can all play a role in reducing our dependence on plastic, if we started to take some smallsteps in our everyday lives to be mindful of our plastic use.
如果我们开始修补这个系统，却不知道在做什么，那就肯定会弄得一团糟，并且可能很久之后才会发现所引起的副作用。
If we begin to tinker with that and don't know what we are doing, we are likely to mess up and cause side effects that might only become evident much later.
如果我们不马上卸货，这些粮食在仓中将开始腐烂。
If we don't unload it soon, the grain will start rotting in the silos.
如果一开始就减少粮食供应，我们就能真正减少碳排放。
We could really cut down on carbon emissions if less food was supplied in the first place.
如果我们想培养下一代的伟大科学家，我们可以从改变我们谈论过去的伟大科学家的方式开始。
If we want to educate a future generation of great scientists, we can start by changing the way we talk about the great scientists of the past.
我们这些推动该法案的人将认为自己是最成功的，如果它能作为一种激励，使其在一开始就不被动用。
Those of us who pushed for the bill will consider ourselves most successful if it acts as an incentive not to have it invoked in the first place.
一方面，如果身体没有足够的胆固醇，我们将无法生存；另一方面，如果体内胆固醇过多，多余的胆固醇就开始让动脉变厚。
On the one hand, if the body doesn't have enough cholesterol, we would not be able to survive. On the other hand, if the body has too much cholesterol, the excess begins to line the arteries.
如果我们想要一个能让每个人都获得经济安全的经济体制，我们就需要开始考虑如何正确处理自动化问题。
If we want an economy that allows everyone to be economically secure, we need to start thinking about how we can rightfully address automation.
如果我们回想一下我们一开始讲过的数据对象的种类，浮点数，整数，字符串，它们实际上有相同的行为方式。
If we go back up to the kinds of data objects we started with, floats, ints, strings, they actually behave the same way.
如果我们陷入了“嗨”、“你好”的陈词滥调，你将无法在开始时给对话带来波澜。
If we got stuck in the rut of "hi" "hello", you will fail to give the initial jolt to the conversation.
通常如果离家很远的话，我们可以从与父母保持联系开始，作为家庭一份子履行家庭义务的一种方式。
Often far away from home, we may start by keeping in contact with our parents, as a means to meet our obligations as part of our family.
总之，如果我们从现在开始读书，它对我们有很大的好处，有人强烈建议我们应该让阅读成为我们生活中的一个习惯。
All in all, doing reading will do us much good if we do it from now on, and it is strongly suggested that we should make reading become a habit of our life.
如果我们实现了今年的目标，我们就从零开始实现明年的目标。
If we reach the goal for this year, we start from zero to reach the goal for next year.
她开始告诉我们，她的课将会变得多么困难，如果我们不能接受挑战，她会很高兴地让我们离开。
She began to tell us how her class was going to be difficult and that if we weren't up to the challenge, she would gladly let us leave.
如果我们在这开始，生产的快速中子,通过裂变，通过热能裂变,你加入生产的快速,中子的全部数量。
So if we start up here, fast neutrons produced by fission, by thermal fission and then you add the total number of fast neutrons produced.
如果我们不开始控制这个问题，所有的一代人都将会变成太不合格的而不能执行甚至是最基本的任务。
If we don't start to take control of this problem, a whole generation will become too unfit to perform even the most rudimentary of tasks.
因此我们开始思考，如果不以新方式复制经典，而是原版影片根本就不存在，会怎么样？
So we started thinking, what if instead of copying the classics with a new spin, the original films had never been made?
由于我们在网上花费了如此多的时间，所以我们开始认真地考虑如果我们从头做起并构建最好的基础那么什么样的浏览器才能够存在？
Because we spend so much time online, we began seriously thinking about what kind of browser could exist if we started from scratch and built on the best elements out there.
如果我们直到团队开始编写代码之前一直在等待，那我们实际上就陷入了瓶颈，而且我们对此无能为力，因为“桔红色”资源已经产生了。
If we wait until the teams have started coding, and we actually hit the bottleneck, there is little we can do about it, because the orange resource is already deeply committed.
如果我们直到团队开始编写代码之前一直在等待，那我们实际上就陷入了瓶颈，而且我们对此无能为力，因为“桔红色”资源已经产生了。
If we wait until the teams have started coding, and we actually hit the bottleneck, there is little we can do about it, because the orange resource is already deeply committed.
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